overhead projector

overhead

[adv. oh-ver-hed; adj., n. oh-ver-hed]
adverb
1.
over one's head; aloft; up in the air or sky, especially near the zenith: There was a cloud overhead.
2.
so as to be completely submerged or deeply involved: to plunge overhead in water; to sink overhead in debt.
adjective
3.
situated, operating, or passing above, aloft, or over the head: an overhead sprinkler system.
4.
of or pertaining to the general cost of running a business: overhead expenses; an overhead charge.
noun
5.
the general, fixed cost of running a business, as rent, lighting, and heating expenses, which cannot be charged or attributed to a specific product or part of the work operation.
6.
Accounting. that part of manufacturing costs for which cost per unit produced is not readily assignable.
7.
(in a hoistway) the distance between the last floor level served and the beam supporting the hoisting sheaves or machinery.
8.
(in racket sports) a stroke in which the ball or shuttlecock is hit with a downward motion from above the head; smash.
9.
an overhead compartment, shelf, etc.: Pillows are in the overhead above each passenger's seat.
10.
Also called overhead shot. Movies, Television. a shot in which the camera is positioned above the actors, especially directly overhead.
11.
a ceiling light in a room: Turn off the overheads when you leave.
12.
Also called overhead projector. a projector capable of projecting images above and behind the person operating it, thus allowing a lecturer or speaker to remain facing the audience while using it.
13.
Also called overhead projection. a picture or image projected in this manner: a lecture enhanced with overheads.

Origin:
1425–75; late Middle English; see over-, head

nonoverhead, noun, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Collins
World English Dictionary
overhead
 
adj
1.  situated or operating above head height or some other reference level
2.  (prenominal) inclusive: the overhead price included meals
 
adv
3.  over or above head height, esp in the sky
 
n
4.  a.  a stroke in racket games played from above head height
 b.  (as modifier): an overhead smash
5.  nautical the interior lining above one's head below decks in a vessel
6.  short for overhead door
7.  (modifier) of, concerned with, or resulting from overheads: overhead costs

overhead projector
 
n
a projector that throws an enlarged image of a transparency onto a surface above and behind the person using it. Alterations and additions can be made to the material on the transparency while the projector is in use

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Etymonline
Word Origin & History

overhead
1532, "above one's head" (adv.), from over + head. The adj. is attested from 1874. As a n., short for overhead costs, etc., it is attested from 1914.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Cultural Dictionary

overhead definition


All costs of running a business other than wages paid to production workers or payments for raw material to be used in production. Overhead includes the cost of renting or leasing a store in which business is transacted, the cost of heating a factory, and similar expenses.

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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