teat

UK: /ˈtiːt/ US: /tit, tɪt/ ,(tēt, tit)

WordReference Random House Learner's Dictionary of American English © 2025

teat /tit, tɪt/   n. [countable]

1. Zoology a nipple through which milk is sucked by young mammals.
2. Zoology something resembling a teat.

WordReference Random House Unabridged Dictionary of American English © 2025

teat  (tēt, tit), n. 

1. Zoology the protuberance on the breast or udder in female mammals, except the monotremes, through which the milk ducts discharge;
   nipple or mammilla.
2. Zoology something resembling a teat.

• Gmc; see tit²
• Old French
• Middle English tete 1250–1300

Collins Concise English Dictionary © HarperCollins Publishers::

teat / tiːt/ noun

1. the nipple of a mammary gland
2. (in cows, etc) any of the projections from the udder through which milk is discharged
   See nipple
3. something resembling a teat in shape or function, such as the rubber mouthpiece of a feeding bottle

Etymology: 13th Century: from Old French tete, of Germanic origin; compare Old English titt, Middle High German zitze