• WordNet 3.6
    • v ground use as a basis for; found on "base a claim on some observation"
    • v ground instruct someone in the fundamentals of a subject
    • v ground connect to a ground "ground the electrical connections for safety reasons"
    • v ground fix firmly and stably "anchor the lamppost in concrete"
    • v ground cover with a primer; apply a primer to
    • v ground hit onto the ground
    • v ground hit a groundball "he grounded to the second baseman"
    • v ground throw to the ground in order to stop play and avoid being tackled behind the line of scrimmage
    • v ground place or put on the ground
    • v ground confine or restrict to the ground "After the accident, they grounded the plane and the pilot"
    • v ground hit or reach the ground
    • v ground bring to the ground "the storm grounded the ship"
    • n ground the first or preliminary coat of paint or size applied to a surface
    • n ground (art) the surface (as a wall or canvas) prepared to take the paint for a painting
    • n ground a connection between an electrical device and a large conducting body, such as the earth (which is taken to be at zero voltage)
    • n ground a relatively homogeneous percept extending back of the figure on which attention is focused
    • n ground the part of a scene (or picture) that lies behind objects in the foreground "he posed her against a background of rolling hills"
    • n ground a position to be won or defended in battle (or as if in battle) "they gained ground step by step","they fought to regain the lost ground"
    • n ground a rational motive for a belief or action "the reason that war was declared","the grounds for their declaration"
    • n ground the solid part of the earth's surface "the plane turned away from the sea and moved back over land","the earth shook for several minutes","he dropped the logs on the ground"
    • n ground material in the top layer of the surface of the earth in which plants can grow (especially with reference to its quality or use) "the land had never been plowed","good agricultural soil"
    • n ground a relation that provides the foundation for something "they were on a friendly footing","he worked on an interim basis"
    • n ground the loose soft material that makes up a large part of the land surface "they dug into the earth outside the church"
    • ***

Additional illustrations & photos:

In the Grounds, Waverley Abbey In the Grounds, Waverley Abbey
Banking Grounds Banking Grounds
A ground-level nest, containing five eggs A ground-level nest, containing five eggs
St. Nicholas' Burying Ground St. Nicholas' Burying Ground

Webster's Revised Unabridged Dictionary
  • Interesting fact: In the United States, lightning hits the ground 40 million times a year.
    • ground imp. & p. p. of Grind.
    • ground (Mus) A composition in which the bass, consisting of a few bars of independent notes, is continually repeated to a varying melody.
    • ground (Elec) A conducting connection with the earth, whereby the earth is made part of an electrical circuit.
    • ground (Etching) A gummy composition spread over the surface of a metal to be etched, to prevent the acid from eating except where an opening is made by the needle.
    • ground Any definite portion of the earth's surface; region; territory; country. "From . . . old Euphrates, to the brook that parts Egypt from Syrian ground ."
    • ground (Paint. & Decorative Art) In point lace, the net of small meshes upon which the embroidered pattern is applied; as, Brussels ground . See Brussels lace, under Brussels.
    • ground (Paint. & Decorative Art) In sculpture, a flat surface upon which figures are raised in relief.
    • ground Land; estate; possession; field; esp. (pl.), the gardens, lawns, fields, etc., belonging to a homestead; as, the grounds of the estate are well kept. "Thy next design is on thy neighbor's grounds ."
    • ground (Arch) One of the pieces of wood, flush with the plastering, to which moldings, etc., are attached; -- usually in the plural.
    • ground Sediment at the bottom of liquors or liquids; dregs; lees; feces; as, coffee grounds.
    • ground (Paint. & Decorative Art) That surface upon which the figures of a composition are set, and which relieves them by its plainness, being either of one tint or of tints but slightly contrasted with one another; as, crimson Bowers on a white ground .
    • ground The basis on which anything rests; foundation. Hence: The foundation of knowledge, belief, or conviction; a premise, reason, or datum; ultimate or first principle; cause of existence or occurrence; originating force or agency; as, the ground of my hope.
    • ground The pit of a theater.
    • ground The surface of the earth; the outer crust of the globe, or some indefinite portion of it. "There was not a man to till the ground .""The fire ran along upon the ground ."
    • ground (Mus) The tune on which descants are raised; the plain song.
    • ground (Elec) To connect with the ground so as to make the earth a part of an electrical circuit.
    • ground (Fine Arts) To cover with a ground, as a copper plate for etching (see Ground n., 5); or as paper or other materials with a uniform tint as a preparation for ornament.
    • ground To forbid (a pilot) to fly an airplane; -- usually as a disciplinary measure, or for reasons of ill health sufficient to interfere with performance.
    • ground To forbid (aircraft) to fly; -- usually due to the unsafe condition of the aircraft or lack of conformity to safety regulations; as, the discovery of a crack in the wing of a Trijet caused the whole fleeet to be grounded for inspection.
    • ground To found; to fix or set, as on a foundation, reason, or principle; to furnish a ground for; to fix firmly. "Being rooted and grounded in love.""So far from warranting any inference to the existence of a God, would, on the contrary, ground even an argument to his negation."
    • ground To instruct in elements or first principles.
    • ground To lay, set, or run, on the ground.
    • v. i ground To run aground; to strike the bottom and remain fixed; as, the ship grounded on the bar.
    • ground To temporarily restrict the activities of (a child), especially social activity outside the house; -- usually for bad or unsatisfactory conduct; as, Johnny was grounded for fighting at school and can't go to the movies for two weeks.
    • ***
Century Dictionary and Cyclopedia
  • Interesting fact: The Leaning Tower of Pisa is 58.36 metres above the ground
    • n ground The bottom; the lowest part.
    • n ground Foundation; base; a surface serving as a support, as a floor or pavement.
    • n ground The solid part of the earth's surface; the crust of the globe; the firm land.
    • n ground The disintegrated portion of the earth's crust, lying upon its surface; soil; earth.
    • n ground A limited part of the earth's surface; a space or tract of country; a region.
    • n ground Land appropriated to individual ownership or use; cultivated land; a landed estate or possession; specifically, the land immediately surrounding or connected with a dwelling-house or other building and devoted to its uses: commonly in the plural.
    • n ground Land appropriated to some special use (without reference to ownership), as the playing of games: as, base-ball grounds; cricket-grounds; hunting-grounds; hence, also, fishing-grounds.
    • n ground The pit of a theater. It was originally without benches, and on a level with the stage.
    • n ground In mining: Same as country
    • n ground That part of the lode or vein which is being worked, or to which reference is made.
    • n ground The basis upon or by means of which a work is executed, or upon which it rests for support or display; a foundation, foil, or background.
    • n ground Specifically— In painting, a basis for a picture, whether it be of plaster, as in distemper or fresco, or only a general tone of color spread over the surface of a canvas and intended to show through the overlaid color if transparent, or to relieve it if opaque.
    • n ground In sculpture, the flat surface from which the figures project: said of a work in relief.
    • n ground In etching, a coating of varnish applied to a plate as a basis to work upon; in mezzotint, a roughening of the copper with a cradle for a like purpose. See etching and etching-ground.
    • n ground In decorative art, the original surface, uncolored, or colored with a fiat tint only as a preparation for further ornament. Thus, a background may consist of slight scrollwork, fretwork, or the like, printed upon the ground, as in the case of decorative designs of considerable richness, figure-work, flower-work, and the like.
    • n ground In ceramics, the colored surface of the body of a piece upon which painting in enamels or gilding is to be applied. See ground-laying and bossing, 1.
    • n ground In lace, that part of lace which is not the pattern, of two kinds, one called the reseau or net, and the other the grillage. See these words and lace.
    • n ground In music: A cantus firm us, or melody proposed for contrapuntal treatment.
    • n ground Especially— A ground bass (which see, under bass).
    • n ground In textile manufacturing, the principal color, to which others are considered as ornamental; that part of manufactured articles, as tapestry, carpeting, etc., of a uniform color, on which the figures are, as it were, drawn or projected.
    • n ground One of the pieces nailed to lathing to form a guide for the surface of plastering, and to serve as a basis for stucco-work.
    • n ground The first coat of hard varnish in japanning.
    • n ground That which logically necessitates a given judgment or conclusion; a sufficient reason; in general, a reason or datum of reasoning; logical or rational foundation.
    • n ground Source, origin, or cause.
    • n ground plural Remnants; ends; scraps; small pieces.
    • n ground plural Sediment at the bottom of liquors; dregs; lees: as, coffee-grounds; the grounds of strong beer.
    • n ground In electricity, a connection with the earth, so that the electricity passes off into it.
    • n ground At the spot or place mentioned; at hand.
    • n ground To gain credit; prevail; become more general or extensive: as, the opinion gains ground.
    • n ground To lose advantage.
    • n ground To lose credit; decline; become less in force or extent.
    • ground Pertaining to the ground. Belonging to the ground or base; hence, basic; fundamental: as, the ground form of a word; ground facts or principles.
    • ground Pertaining to the soil: as, ground air.
    • ground Situated on or nearest to the surface of the earth: as, the ground floor.
    • ground Nautical: () The lowest range of water-casks in the hold of a vessel before the introduction of iron tanks. () The lowest range of any material stowed in the hold.
    • ground To place on a foundation; found; establish firmly in position.
    • ground To settle or establish in any way, as on reason or principle; fix or settle firmly in existence or in thought.
    • ground To instruct thoroughly in elements or first principles.
    • ground To lay or set on or in the ground; bring to ground, or to rest on or as if on the ground.
    • ground Nautical, to run ashore or aground; cause to strike the ground: as, to ground a ship.
    • ground In electricity, to connect with the earth, as a conductor, so that the electricity can pass off to it.
    • ground To form a ground on or for; furnish with a ground or base. See ground, n., 10.
    • ground To run aground; strike the ground and remain fixed, as a ship.
    • ground To come to or strike the ground.
    • ground To base an opinion or course of action; depend.
    • ground Preterit and past participle of grind.
    • ground To set (a color); to make (a color) fast.
    • ***
Chambers's Twentieth Century Dictionary
  • Interesting fact: How valuable is the penny you found laying on the ground? If it takes just a second to pick it up, a person could make $36.00 per hour just picking up pennies.
    • pa.t., pa.p Ground grownd of grind.
    • n Ground grownd the surface of the earth: a portion of the earth's surface: land, field, soil: the floor, &c.: position: field or place of action: :
    • v.t Ground to fix on a foundation or principle: to instruct in first principles: to cover with a layer of plaster, &c., as a basis for painting: to coat with a composition, as a surface to be etched
    • v.i Ground to strike the bottom and remain fixed
    • adj Ground (Lamb) base
    • n Ground grownd (lit. or fig.) that on which something is raised: foundation: sufficient reason
    • n Ground grownd (art) the surface on which the figures are represented
    • ***


  • Abraham Lincoln
    “He reminds me of the man who murdered both his parents, and then when the sentence was about to be pronounced, pleaded for mercy on the grounds that he was orphan.”
  • Source Unknown
    Source Unknown
    “He who throws dirt always loses ground.”
  • Jonathan Westover
    Jonathan Westover
    “We have a choice: to plow new ground or let the weeds grow.”
  • Albert Einstein
    “To the Master's honor all must turn, each in its track, without a sound, forever tracing Newton's ground.”
  • Jean Rostand
    “We must watch over our modesty in the presence of those who cannot understand its grounds.”
  • Ralph Waldo Emerson
    “If you would lift me up you must be on higher ground.”


Break ground - If you break ground, or break new ground, you make progress, taking things into a new area or going further than anyone has gone before.'Ground-breaking' is used an adjective.
Fall on stony ground - If an idea or plan falls on stony ground, it is received negatively by people in positions of power or fails to take off.
Feet on the ground - A practical and realistic person has their feet on the ground.
Get in on the ground floor - If you get in on the ground floor, you enter a project or venture at the start before people know how successful it might be.
Get off the ground - If a project or plan gets off the ground, it starts to be put into operation.
Hit the ground running - If someone hits the ground running, they start a new job or position in a very dynamic manner.
Keep your ear to the ground - If you keep your ear to the ground, you try to keep informed about something, especially if there are rumours or uncertainties.
Moral high ground - If people have/take/claim/seize, etc, the moral high ground, they claim that their arguments, beliefs, etc, are morally superior to those being put forward by other people.
On the ground - Events on the ground are where things are actually happening, not at a distance.
Run something into the ground - If people run something into the ground, they treat or manage it so badly that they ruin it.
Run to ground - If you run someone or something to ground, you pursue until you capture or find them or it.


Webster's Revised Unabridged Dictionary
OE. ground, grund, AS. grund,; akin to D. grond, OS., G., Sw., & Dan. grund, Icel. grunnr, bottom, Goth. grundus,in composition); perh. orig. meaning, dust, gravel, and if so perh. akin to E. grind,
Chambers's Twentieth Century Dictionary
A.S. grund; most prob. grund-en, pa.p. of grindan, and orig. meaning 'earth ground small;' cog. with Ger. grund, Ice. grunnr.


In literature:

It has been lying on the ground only a little while.
"The Riflemen of the Ohio" by Joseph A. Altsheler
The fastness of the flukes on the ground; also the act of having cast anchor, and taken the ground.
"The Sailor's Word-Book" by William Henry Smyth
If one has always built one's nest upon the ground, and if one comes of a race of ground-builders, it is a risky experiment to build in a tree.
"Bird Stories from Burroughs" by John Burroughs
He looked round the ground in the hope of finding Stanley Moncrief, but saw nothing of him.
"The Hero of Garside School" by J. Harwood Panting
The plants grow in the ground, or in decaying organic matter lying on the ground.
"Studies of American Fungi. Mushrooms, Edible, Poisonous, etc." by George Francis Atkinson
He listened in silence, with his eyes fixed on the ground.
"The Story of a Common Soldier of Army Life in the Civil War, 1861-1865" by Leander Stillwell
Without undue delay the Waffs were disembarked and sent under canvas on fairly high ground at some distance from the harbour.
"Wilmshurst of the Frontier Force" by Percy F. Westerman
Parade ground.= In front of every camp of permanent nature, there should be a parade ground for drills and ceremonies.
"Manual of Military Training" by James A. Moss
The numerous quebradas, which all intersect the ground in a parallel direction, are surrounded by poor-looking houses.
"Travels in Peru, on the Coast, in the Sierra, Across the Cordilleras and the Andes, into the Primeval Forests" by J. J. von Tschudi
By the paw marks made on the ground by the tigers.
"The Wonders of the Jungle, Book Two" by Prince Sarath Ghosh

In poetry:

Yes, the solid ground upheaveth,
And the mighty rock descendeth
O'er our heads.
"The Purgatory Of St. Patrick - Act III" by Denis Florence MacCarthy
Soft sound of the rain
On the ground and the roofs!
To a heart in pain,
O the song of the rain!
"Ariettes Oubliees" by Paul Verlaine
Insensible the maiden lay
Upon the hellish ground,
And still mysterious sounds were heard
At intervals around.
"Gondoline" by Henry Kirke White
Wilder yet the sounds are growing,
And the archfiend roars on high;
From the ground
Hellish vapours rise around.
"The First Walpurgis-Night" by Johann Wolfgang von Goethe
Thy home is not upon the ground,
Thy hope not in the sky:
Near to thy nest thy notes resound,
Neither too low nor high.
"A March Minstrel" by Alfred Austin
Yet, through the hum of torrent lone,
And brooding mountain-bee,
There sobs I know not what ground-tone
Of human agony.
"Stanzas In Memory Of The Author Of 'Obermann'" by Matthew Arnold

In news:

They are serving a roast pork and bratwurst dinner 11 a.m.-2 pm and 11 a.m.-5 pm they will be having outside grilled and fried foods and activities on the grounds.
France Telecom said today that it was shutting down its ground-breaking Minitel service, the proto-Internet that brought online shopping and chat rooms into millions of French homes in the 1980s.
MSHA offers best practices for sound ground control plans in miner, auger operations.
The Wide Area Augmentation System (WAAS) is a navigation system composed of satellites and ground stations that improve the quality of the Global Positioning System (GPS).
The UN's global conference underscored just how much ground Rio de Janeiro itself has to cover when it comes to environmental sustainability.
There have been times in years past that we have had measurable snow on the ground by now.
Putting solar lights in the ground can be a trying experience.
But since she and her husband proposed building an Islamic center near ground zero, Khan has been under siege.
Rubio tries to claim middle ground on immigration.
I dragged my small plastic sled load of firewood across bare ground into the yard and stopped with disgust.
An early baseball game on the old ball ground which is now the present site of Juneau-Douglas High School.
Florida's defensive philosophy is simple: When the ball is in the air or on the ground, the Gators better get it.
Kiwanis prepares to break ground on bandstand.
If he could have, Brad Barnum would have kissed the ground when he climbed out of the car in Ruidoso, N.M. At the end of March.
The last chapter in the tortured tale of the former Deutsche Bank building near ground zero will play out in court now that the 41-story office tower has finally been dismantled.

In science:

That is because for a Gaussian spectral density with d states the location of the ground state scales as Egs ∼ √TrH 2√log d, while the level spacing near the ground √TrH 2/√log d.
Spin Structure of Many-Body Systems with Two-Body Random Interactions
While it is difficult to access this regime numerically, we do observe one of its precursors – namely a spin-2 ground state that is lower in energy than the spin-1 ground state.
Spin Structure of Many-Body Systems with Two-Body Random Interactions
The latter distribution has the special feature that there are many ground states (we say that the ground state is “degenerate”).
Computer Science in Physics
We can, however, learn about low energy excitations by computing the ground state, then perturbing the system in some way, and finally recomputing the ground state.
Computer Science in Physics
Once the ground state is reached, say at σ = −σ0 , the orbifold symmetry inherent to the line-element (18) is not a symmetry of this ground state.
Spontaneous orbifold symmetry breaking and generation of mass hierarchy