Hypertext Webster Gateway: "overhead"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Overhead \O`ver*head"\, adv.
Aloft; above; in or attached to the ceiling or roof; in the
story or upon the floor above; in the zenith.
While overhead the moon Sits arbitress. --Milton.
Note: Also used adjectively; as, an overhead crane, gear,
etc.
{Overhead engine}, a vertical steam engine in which the
cylinder stands above the crank.
{Overhead work}, a general term in manufactories for
countershafting and gearing, when overhead.
From WordNet (r) 1.7 (wn)
overhead
adj : located or originating from above; "an overhead crossing"
[ant: {surface}, {subsurface}]
n 1: 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
[syn: {operating expense}, {operating cost}, {budget
items}]
2: (computer science) the processing time required by a device
prior to the execution of a command [syn: {command
processing overhead time}, {command processing overhead},
{command overhead}]
3: (computer science) the disk space required for non-data
information (used for location and timing) [syn: {disk
overhead}]
4: a transparency for use with an overhead projector [syn: {viewgraph}]
5: (nautical) the top surface of an enclosed space on a ship
6: a hard return hitting the tennis ball above your head [syn:
{smash}]
adv 1: above your head; in the sky; "planes were flying overhead"
2: above the head; over the head; "bring the legs together
overhead"
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