Dug

n.	1.	A teat, pap, or nipple; - formerly that of a human mother, now that of a cow or other beast. With mother's dug between its lips. - Shak.
imp. & p.	1.	imp. & p. p. of Dig.

Noun

1.

dug - an udder or breast or teat

female mammal, mamma, mammary gland