Of female mammals, the nipple of a breast or udder, from which the young suck milk.
One of the four nipples on a cow's udder where milk comes out.
rubber or plastic nipple on baby's bottle
Teat is an alternative word for a nipple or breast. In cows, goats, etc., it is the projection from the udder through which milk is discharged. Teats are also called papilla mammae.