tit

American Heritage® Dictionary of the English Language, Fourth Edition

1. n. A titmouse.
2. n. Any of various small, similar or related birds.
3. adj. New England & Upstate New York Small; undersized.
4. n. Vulgar Slang A woman's breast.
5. n. A teat.

Century Dictionary and Cyclopedia

1. n. In mech., a round projection on a tool or other piece to serve as a guide. A tit is usually made on the end of a counterbore, so that the hole made by it shall be concentric with the hole which it is desired to enlarge.
2. n. An abbreviation of title; [capitalized] of Titus (a book of the New Testament).
3. n. A teat. See teat.
4. n. One of several small birds. Specifically
5. n. A small or poor horse.
6. n. A child; a girl; a young woman: a depreciatory term.
7. n. A bit; morsel.
8. n. In the phrase tit for tat (literally, in the original form tip for tap, ‘blow for blow’), a retaliatory return; an equivalent by way of repartee or answer: as, to give a person tit for tat in a dispute or a war of wit.
9. To pull tightly.
10. n. A pull.
11. A Middle English variant of tite.

Wiktionary

1. n. A mammary gland, teat.
2. n. slang, vulgar A woman's breast.
3. n. UK, pejorative, slang An idiot; a fool.
4. n. archaic A light blow or hit (now usually in phrase tit for tat).
5. n. A small passerine bird of the genus Parus or the family Paridae, common in the northern hemisphere.
6. n. Any of various other small passerine birds.
7. n. archaic A small horse; a nag.
8. n. archaic A young girl, later especially a minx, hussy.

GNU Webster's 1913

1. n. A small horse.
2. n. A woman; -- used in contempt.
3. n. A morsel; a bit.
4. n. Any one of numerous species of small singing birds belonging to the families Paridæ and Leiotrichidæ; a titmouse.
5. n. The European meadow pipit; a titlark.

WordNet 3.0

1. n. either of two soft fleshy milk-secreting glandular organs on the chest of a woman
2. n. small insectivorous birds
3. n. the small projection of a mammary gland