From WordNet (r) 3.0 (2006):
bit
n 1: a small piece or quantity of something; "a spot of tea"; "a
bit of paper"; "a bit of lint"; "I gave him a bit of my
mind" [syn: spot, bit]
2: a small fragment of something broken off from the whole; "a
bit of rock caught him in the eye" [syn: bit, chip,
flake, fleck, scrap]
3: an indefinitely short time; "wait just a moment"; "in a mo";
"it only takes a minute"; "in just a bit" [syn: moment,
mo, minute, second, bit]
4: an instance of some kind; "it was a nice piece of work"; "he
had a bit of good luck" [syn: piece, bit]
5: piece of metal held in horse's mouth by reins and used to
control the horse while riding; "the horse was not accustomed
to a bit"
6: a unit of measurement of information (from binary + digit);
the amount of information in a system having two equiprobable
states; "there are 8 bits in a byte"
7: a small amount of solid food; a mouthful; "all they had left
was a bit of bread" [syn: morsel, bit, bite]
8: a small fragment; "overheard snatches of their conversation"
[syn: snatch, bit]
9: a short theatrical performance that is part of a longer
program; "he did his act three times every evening"; "she had
a catchy little routine"; "it was one of the best numbers he
ever did" [syn: act, routine, number, turn, bit]
10: the part of a key that enters a lock and lifts the tumblers
11: the cutting part of a drill; usually pointed and threaded
and is replaceable in a brace or bitstock or drill press;
"he looked around for the right size bit"