From WordNet (r) 2.0 (August 2003) [wn]:
gap
n 1: a conspicuous disparity or difference as between two
figures; "gap between income and outgo"; "the spread
between lending and borrowing costs" [syn: spread]
2: an open or empty space in or between things; "there was a
small opening between the trees"; "the explosion made a
gap in the wall" [syn: opening]
3: a narrow opening; "he opened the window a crack" [syn:
crack]
4: a pass between mountain peaks [syn: col]
5: an act of delaying or interrupting the continuity; "it was
presented without commercial breaks" [syn: break,
interruption, disruption]
v : make an opening or gap in [syn: breach]
From The Collaborative International Dictionary of English v.0.48 [gcide]:
Gap \Gap\, v. t.
1. To notch, as a sword or knife.
[1913 Webster]
2. To make an opening in; to breach.
[1913 Webster]
Their masses are gapp'd with our grape. --Tennyson.
[1913 Webster]
From The Collaborative International Dictionary of English v.0.48 [gcide]:
Gap \Gap\ (g[a^]p), n. [OE. gap; cf. Icel. gap an empty space,
Sw. gap mouth, breach, abyss, Dan. gab mouth, opening, AS.
geap expanse; as adj., wide, spacious. See Gape.]
1. An opening in anything made by breaking or parting; as, a
gap in a fence; an opening for a passage or entrance; an
opening which implies a breach or defect; a vacant space
or time; a hiatus; a mountain pass.
[1913 Webster]
Miseries ensued by the opening of that gap.
--Knolles.
[1913 Webster]
It would make a great gap in your own honor. --Shak.
[1913 Webster]
2. (A["e]ronautics) The vertical distance between two
superposed surfaces, esp. in a biplane.
[Webster 1913 Suppl.]
Gap lathe (Mach.), a turning lathe with a deep notch in the
bed to admit of turning a short object of large diameter.
To stand in the gap, to expose one's self for the
protection of something; to make defense against any
assailing danger; to take the place of a fallen defender
or supporter.
To stop a gap, to secure a weak point; to repair a defect.
[1913 Webster]
From The Free On-line Dictionary of Computing (19 Sep 2003) [foldoc]:
GAP
<mathematics, tool> Groups Algorithms and Programming.
A system for symbolic mathematics for computational discrete
algebra, especially group theory, by Johannes Meier, Alice
Niemeyer, Werner Nickel, and Martin Schonert of Aachen. GAP
was designed in 1986 and implemented 1987. Version 2.4 was
released in 1988 and version 3.1 in 1992.
{Sun version (ftp://ftp.math.rwth-aachen.de/pub/gap)}
["GAP 3.3 Manual, M. Schonert et al, Lehrstuhl D Math, RWTH
Aachen, 1993].
(1995-04-12)