A Quick and Simple Dictionary

bit

1. Noun.  A piece of metal placed in a horse's mouth and connected to reins to direct the animal.
2. Noun.  A rotary cutting tool fitted to a drill, used to make holes.
3. Noun.  (US) An eighth of a dollar. Note that there is no coin minted worth 12.5 cents. (When this term first came into use, the Spanish 8 reales coin was widely used as a dollar equivalent, and thus the 1 real coin was equivalent to 12.5 cents.).
4. Noun.  (context, dated) A coin of a specified value. (Also used for a nine-pence coin in the British Caribbean.).
5. Noun.  A small amount of something.
6. Noun.  ''Specifically'', a small amount of time.
7. Noun.  (rfquote-sense) A portion of something.
8. Noun.  (slang) A prison sentence, especially a short one.
9. Noun.  An excerpt of material from a composition or show.
10. Adverb.  To a small extent; in a small amount (usually with "a").
11. Verb.  (simple past of, bite) .
12. Noun.  (context, mathematics) A binary digit, generally represented as a 1 or 0.
13. Noun.  (computing) The smallest unit of storage in a digital computer, consisting of a binary digit.
14. Noun.  (context, information theory) Any datum that may take on one of exactly two values.