• Overhead trolley
    Overhead trolley
  • WordNet 3.6
    • adj overhead located or originating from above "an overhead crossing"
    • adv overhead above the head; over the head "bring the legs together overhead"
    • adv overhead above your head; in the sky "planes were flying overhead"
    • n overhead a hard return hitting the tennis ball above your head
    • n overhead (nautical) the top surface of an enclosed space on a ship
    • n overhead a transparency for use with an overhead projector
    • n overhead (computer science) the disk space required for information that is not data but is used for location and timing
    • n overhead the expense of maintaining property (e.g., paying property taxes and utilities and insurance); it does not include depreciation or the cost of financing or income taxes
    • n overhead (computer science) the processing time required by a device prior to the execution of a command
    • ***
Webster's Revised Unabridged Dictionary
  • Interesting fact: It is believed that the Greek poet Aeschylus was killed when a bird flying overhead dropped a tortoise and struck him. Birds have been known to carry shellfish to great heights and drop them in order crack the shells.
    • adv Overhead Aloft; above; in or attached to the ceiling or roof; in the story or upon the floor above; in the zenith.Also used adjectively; as, an overhead crane, gear, etc. "While overhead the moon
      Sits arbitress."
    • ***
Century Dictionary and Cyclopedia
  • Interesting fact: Russian submarine designers are building military submarines out of concrete. Because concrete becomes stronger under high pressure, (C-subs) could settle down to the bottom in very deep water and wait for enemy ships to pass overhead. Concrete would not show up on sonar displays (it looks just like sand or rocks), so the passing ships would not see the sub lurking below.
    • overhead Aloft; above; in the zenith; in the ceiling or story above.
    • overhead Per head: properly two words.
    • overhead Situated above or aloft.
    • overhead So that something is over one's head: as, to be ducked overhead in the river.
    • overhead Average; applicable to all.
    • ***
Chambers's Twentieth Century Dictionary
  • Interesting fact: Due to gravitational effects, you weigh slightly less when the moon is directly overhead.
    • adv Overhead ō′vėr-hed over the head: aloft: in the zenith: per head
    • adj Overhead situated above
    • ***


  • Henry David Thoreau
    “Should not every apartment in which man dwells be lofty enough to create some obscurity overhead, where flickering shadows may play at evening about the rafters?”
  • Henry Wadsworth Longfellow
    “Trust no future, however pleasant! Let the dead past bury its dead! Act -- act in the living Present! Heart within and God overhead.”


In literature:

It seemed eternity until at last he reached the end of the passage and felt the trap door overhead.
"The Whispering Spheres" by Russell Robert Winterbotham
Presently, as my vision cleared, I saw that the dome was overhead.
"Beyond the Vanishing Point" by Raymond King Cummings
There was no draughty well, no galleried space overhead, from which curious ears could overhear private confidences.
"The Lady of the Basement Flat" by Mrs. George de Horne Vaizey
The dim outline of trees appeared overhead.
"The Pirates of Ersatz" by Murray Leinster
Grabbing each other's arms, they tumbled down the steps together as a shell passed overhead to burst in a tree down the road.
"One Man's Initiation--1917" by John Dos Passos
The building was of one story, and from this apartment a ladder led to an open trap overhead.
"The River of Darkness" by William Murray Graydon
The whole affair transpired in about a minute, and the plucky lads next turned their attention to the peril that threatened them from overhead.
"The Camp in the Snow" by William Murray Graydon
But the sun was shining still, the wind blew and the birds shrieked in their revels overhead.
"The Black Phantom" by Leo Edward Miller
He lives overhead the saloon; and he seemed to be doing a lively business.
"Down South" by Oliver Optic
And overhead Mrs. Kukor left her chair and went rocking across her floor.
"The Rich Little Poor Boy" by Eleanor Gates
There wasn't anything underneath but clouds, and there wasn't anything overhead but sky.
"Space Platform" by Murray Leinster
That last one was nigh to a hundred foot overhead.
"The Young Castellan" by George Manville Fenn
She was hardly aware of the sound of his feet overhead.
"The Creators" by May Sinclair
The rocks closed completely overhead; the dimness changed to stygian darkness.
"Valley of the Croen" by Lee Tarbell
An hour later there was a movement and shouting overhead.
"Condemned as a Nihilist" by George Alfred Henty
Overhead a meteor passed swiftly across the sky, throwing a pale gleam upon-the lurking submarine.
"The Submarine Hunters" by Percy F. Westerman
The great stars throbbed in the purple velvet darkness overhead.
"The Dop Doctor" by Clotilde Inez Mary Graves
The Mercutians were almost directly overhead now, preparing to swoop.
"Slaves of Mercury" by Nat Schachner
It sounded like it came from directly overhead and I went to the window and looked out.
"Astounding Stories, February, 1931" by Various
Presently, as my vision cleared, I saw that the dome was overhead.
"Astounding Stories, March, 1931" by Various

In poetry:

While I dreamed the day has faded,
Stars are shining overhead,
Evening winds have ceased to whisper,
Twilight's shadows all have fled.
"In The Twilight" by Madge Morris Wagner
Each called to each: "Lo here! Lo there!
Its white scarf flutters in the air!"
They climbed anew; the vision fled,
To beckon higher overhead.
"The Seeking Of The Waterfall" by John Greenleaf Whittier
Dark is the forest and deep, and overhead
Hang stars like seeds of light
In vain, though not since they were sown was bred
Anything more bright.
"The Dark Forest" by Edward Thomas
And bending down beside the glowing bars,
Murmur, a little sadly, how Love fled
And paced upon the mountains overhead
And hid his face amid a crowd of stars.
"When You Are Old" by William Butler Yeats
'What means that star,' the Shepherds said,
'That brightens through the rocky glen?'
And angels, answering overhead,
Sang, 'Peace on earth, good-will to men!'
"A Christmas Carol" by James Russell Lowell
In evening's calm, she walked between
The tints and shades of rich delight,
While overhead came, arching green,
Many a shrub and parasite,
To crown their Queen;
"Kadisha; Or, The First Jealousy" by Richard Doddridge Blackmore

In news:

The garage at my town house is small, but I did have a narrow space along one of the sidewalls next to the overhead door.
When Amazon.com began selling books over the Web in 1995, company representatives liked to boast how little overhead they had.
The ' Third Rail ' of Nonprofits: Overhead.
Now It's Overhead: Take that, Conor Oberst.
On Monday, Oct 8, during the nighttime/overnight hours from 11:45 pm until 6 am, Tuesday, Oct 9, the College Parkway Overpass to the Cape Coral Toll Plaza will be closed while crews place a large overhead sign at the Cape Coral Toll Plaza .
This is part of routine services and maintenance to paint the overhead structure.
Vice President Al Gore arrived here today for the funeral of the former five-term Mayor of Los Angeles, Tom Bradley , in a long motorcade, helicopters hovering overhead.
How to Do a Perfect Overhead Triceps Extension.
Will That Vaulting Pole Fit In The Overhead Bin.
Criss-crossing overhead on 6th & 7th streets between Pacific & Harbor -- are being installed in downtown Pedro.
Look for a chance of light snow Friday as a mid-level low moves overhead.
Netflix (NFLX) must be wondering if there's any kind of silver lining to that thick grey cloud apparently fixed permanently overhead.
A view of Downtown Columbia from overhead.
Philippe Mexes capped AC Milan 's qualification for the next round of the Champions League with a stunning overhead volleyed goal during a 3-1 victory over Anderlecht.
Minus the Bear plus 'Infinity Overhead' equals a good time.

In science:

Thus, the computational overhead of applying h is small, and the resulting generator is almost as efficient as the original one.
Guaranteeing the diversity of number generators
For example, it provides a convenient and rigorous reformulation of Coalson’s findings linking series and discrete path integral methods, and, as illustrated by Eq. (27), suggests a means for reducing the numerical overhead associated with path construction.
Random Series and Discrete Path Integral methods: The Levy-Ciesielski implementation
In all equations an overhead dot implies differentiation w.r.t. time and a prime is that w.r.t. the scalar field φ.
Acceleration of the universe with a simple trigonometric potential
We note that the lower bound can be easily extended to any algorithm with success probability p > 1/2 with a small overhead .
Dispersion of Mass and the Complexity of Randomized Geometric Algorithms
Since it is a full magnitude brighter than the complete sample, integration times will often be shorter—but the overhead of slewing the telescope between more widely dispersed targets will require more time between observations.
Calibrating the Solar Dynamo: Magnetic Activity Cycles of Southern Sun-like Stars
We evaluate the overhead introduced by Prawn in Section VI and present in Section VII a number of case studies showing how Prawn makes prototyping fast and simple.
Rapid Prototyping over IEEE 802.11
Con figuring Prawn is important to achieve an adequate balance between performance and overhead.
Rapid Prototyping over IEEE 802.11
For example, sending beacons too frequently would generate high overhead.
Rapid Prototyping over IEEE 802.11
In this section, we present our measurements of the overhead introduced by Prawn (in terms of delay and throughput) on the different platforms that compose our testbed.
Rapid Prototyping over IEEE 802.11
This overhead can be easily estimated as shown in the following example.
Rapid Prototyping over IEEE 802.11
Using Prawn, an estimation (even rough) can be deduced from the observed overhead.
Rapid Prototyping over IEEE 802.11
For example, calibrating data, such as redshift or photometric zeropoint, can be stored in each file along with the raw data with very little increase in file size overhead as the tags handle the separation.
ARCHANGEL Galaxy Photometry System
This relatively low overhead results from the fact that in the translated code of these examples on the average about two or three C6x instructions can be executed in parallel.
Cycle Accurate Binary Translation for Simulation Acceleration in Rapid Prototyping of SoCs
This inserted code combined with the appropriate hardware adds only a low overhead to the translated code and allows a fast execution.
Cycle Accurate Binary Translation for Simulation Acceleration in Rapid Prototyping of SoCs
Therefore a good memory model for exploration should: (I) allow the execution of complex applications with huge amounts of dynamic data (II) be accurate (III) have a low overhead (IV) be easy to design.
Fast Dynamic Memory Integration in Co-Simulation Frameworks for Multiprocessor System on-Chip