• WordNet 3.6
    • v protrude swell or protrude outwards "His stomach bulged after the huge meal"
    • v protrude bulge outward "His eyes popped"
    • v protrude extend out or project in space "His sharp nose jutted out","A single rock sticks out from the cliff"
    • ***
Webster's Revised Unabridged Dictionary
    • v. i Protrude To shoot out or forth; to be thrust forward; to extend beyond a limit; to project. "The parts protrude beyond the skin."
    • Protrude To thrust forward; to drive or force along.
    • Protrude To thrust out, as through a narrow orifice or from confinement; to cause to come forth. "When . . . Spring protrudes the bursting gems."
    • ***
Century Dictionary and Cyclopedia
    • protrude To thrust forward or onward; drive or force along.
    • protrude To shoot or thrust forth; project; cause to project; thrust out as from confinement; cause to come forth: as, a snail protrudes its horns.
    • protrude To shoot forward; be thrust forward; project beyond something.
    • protrude Synonyms To project, jut (out), bulge (out).
    • ***
Chambers's Twentieth Century Dictionary
    • v.t Protrude prō-trōōd′ to thrust or push forward: to drive along: to put out
    • v.i Protrude to be thrust forward or beyond the usual limit
    • ***


Webster's Revised Unabridged Dictionary
L. protrudere, protrusum,; pro, forward + trudere, to thrust. See Threat


In literature:

Broad steel bracelets protected his strong arms, and a shield protruded from behind his back.
"From the Caves and Jungles of Hindostan" by Helena Pretrovna Blavatsky
His ticket was at last seen protruding from under the band of an old silk hat which was hung from a peg near him.
"Lourdes From the "Three Cities"" by Emile Zola
What made her particularly tempting was a nasty habit she had of protruding the tip of her tongue between her white teeth.
"L'Assommoir" by Emile Zola
The stamens protrude like a golden tassel.
"Wild Flowers Worth Knowing" by Neltje Blanchan
His ticket was at last seen protruding from under the band of an old silk hat which was hung from a peg near him.
"The Three Cities Trilogy, Complete Lourdes, Rome and Paris" by Emile Zola
The savage nodded, and pointed the direction with his protruded lower lip.
"The Leopard Woman" by Stewart Edward White
Overhead, a pair of white shoes protruded from the rail in a blue film of smoke.
"Dragon's blood" by Henry Milner Rideout
Propped up by two pillows, she laughingly offered her breast to the child, who was already protruding his lips and groping with his hands.
"Fruitfulness Fecondite" by Emile Zola
This we have seen protruding for quite 5 inches beyond the plane of the sole.
"Diseases of the Horse's Foot" by Harry Caulton Reeks
Her eyes rested on the broken gun first: then she saw the blade, shining in the rain, protruding from beneath a broken bough.
"The Sky Line of Spruce" by Edison Marshall
I can feel that the entrance to it is by a door on one side, for the hinges protrude somewhat.
"Facing the Flag" by Jules Verne
From the bottom of the circle on either side protruded wings.
"The Wrong Twin" by Harry Leon Wilson
Not far had they gone before the vessel was driven ashore by a storm, and broke her keel on a protruding shoal.
"Historic Tales, Vol. 1 (of 15)" by Charles Morris
In many instances, when compound fracture exists, broken ends of bone are protruding through the skin.
"Lameness of the Horse" by John Victor Lacroix
The bottles were laid in the "mortar" with their ends protruding.
"The Furnace of Gold" by Philip Verrill Mighels
A man would protrude his anxious head and a pair of eyes glistened in the sway of light glaring wildly.
"The Nigger Of The "Narcissus" A Tale Of The Forecastle" by Joseph Conrad
It was moving from side to side, protruded out from the hole, the snout pointing downwards.
"The Boy Hunters" by Captain Mayne Reid
Instead, to his great amazement, he saw the head of a hyena protruding from the distended side of the largest elephant.
"In Africa" by John T. McCutcheon
The large mass of protruded tissue was often most striking when a muscle such as the biceps in fig.
"Surgical Experiences in South Africa, 1899-1900" by George Henry Makins
At last with great caution the head and feet were protruded.
"Six Months at the Cape" by R.M. Ballantyne

In poetry:

Pointed thoughts of Life and Death,
Anxious sore solicitude,
Shake my frame, suspend my breath,
When Terror's gloomy shades protrude.
"The Culprit" by Nathaniel Bloomfield

In news:

Seattle's new RapidRide bus stops, which protrude toward the street, are designed to help buses load riders and get on their way quickly.
Wall projection of 4 qualifies the surface-mounted low-profile warm air hand dryer for ADA Accessibility Guideline Protruding Objects Requirement compliance .
I bought it used and the guy gave me a couple Remington chokes that appear to fit ok except they protrude about 1 or 2 mm.
Protruding Metro bus 'bulbs' work, but at the expense of drivers.
He was found with a butter knife protruding from a stomach wound.
GLENDALE — A 63-year-old Glendale man was in stable condition Monday after he apparently attempted surgery on himself with a six-inch butter knife in an attempt to remove a protruding.
On a styling note, he Highlander 's exterior styling is mostly unobjectionable and a little bland, but I find the protruding plastic over the headlamps just plain odd.
Triathlete Hunter Kemper is providing instructions to view a bicycle accident that resulted in an elbow bone protruding out of his skin.
The boy was so malnourished his bones protruded and he weighed as much as a child half his age, according to a criminal complaint.
Jim Genovese, owner of Sandy Beach Marina in Akron, Ohio, recently spent $130,000 on a pristine 1955 Chris-Craft Cobra, a design distinguished by the prominent gold fin protruding from its afterdeck.
The presser foot and needle protruded from the bottom.
However, she has a slightly protruded snout and is built lighter than most pugs .
In a discount supermarket in central France, a machine about the size of an industrial refrigerator with protruding pumps and tubes draws a crowd of puzzled shoppers.
Wings should partly cover breasts, and legs should protrude a bit.
Their pointy protruding peaks top out at 7,192 feet.

In science:

When these are put together they form split-block waveguides, into which the finlines protrude.
Prototype finline-coupled TES bolometers for CLOVER
In reality, these are bulky ob jects that, due to the excluded volume effect, on average protrude from DNA and continue it.
Comments on "Remeasuring the Double Helix"
We also plan to put another 1 mm thick strong-back support steel plates with holes that allows readout chips to protrude.
CALICE Report to the DESY Physics Research Committee
Protruding parts of the nebula are produced by the anisotropic radiation field.
Understanding ULX Nebulae in the Framework of Supercritical Accretion
Our stainless steel vacuum chamber consisted of a vapor cell atom trapping chamber with indium-sealed windows, a liquid nitrogen-filled cold finger which protruded into the chamber, and a Rb cold finger at 0◦C, as shown in Fig. 1.
Loading a vapor cell magneto-optic trap using light-induced atom desorption
The closing of the “hand” is achieved by loops, called “fingertips”, which protrude from the fingers and connect with the thumb domain at their other end.
Template-directed biopolymerization: tape-copying Turing machines
Sometimes the tip of a Voronoi cell protrudes beyond the face of a corresponding Delaunay simplex (see Diagram 2.1.a).
Sphere packings II
This section describes a construction that amounts to slicing off the protruding tip of a Voronoi cell and reapportioning it among the neighboring cells (see Diagram 2.1.b).
Sphere packings II
Proof: The preceding analysis shows that the polyhedra VR are obtained from the Voronoi cells by taking each protruding tip, breaking it into three pieces X0 , X1 , X2 , and attaching the piece Xi to the Voronoi cell at vi .
Sphere packings II
Diagram 2.5 shows a correctly scaled drawing of a tip protruding from the largest face of S .
Sphere packings II
Then VR ∩ C (S ) = VR ∩ S . (In other words, tips cannot protrude from a small simplex.) This means that the restricted cells and small simplices cover space evenly.
Sphere packings II
If the point is not in a tip protruding from a quasi-regular tetrahedron, it is counted in the score at v .
Sphere packings II
If, however, the point belongs to a protruding tip, it is counted in the score at exactly one of the three vertices, other than v , of the quasi-regular tetrahedron.
Sphere packings II
Observationally, the concept of local winds is supported by large scale filaments (∼ 1 kpc) protruding out into the galactic halo, as it is the case for a number of inclined spiral galaxies, like NGC 891, NGC 5775 and also the Milky Way (Dettmar 1992).
The dynamical signature of the ISM in soft X-rays -- I. Diffuse soft X-rays from galaxies
We deal with free boundary conditions in the sense that the tiles may protrude beyond the boundary.
Diffraction of random tilings: some rigorous results