Akademik

tit
1.
n. any of various small birds esp. of the family Paridae.
Etymology: prob. f. Scand.
2.
n.
Phrases and idioms:
tit for tat blow for blow; retaliation.
Etymology: = earlier tip (TIP(2)) for tap
3.
n.
1 colloq. a nipple.
2 coarse sl. a woman's breast.
Usage:
Usually considered a taboo word in sense 2.
Etymology: OE: cf. MLG titte
4.
n. coarse sl. a term of contempt for a person.
Etymology: 20th c.: perh. f. TIT(3)

Useful english dictionary. 2012.