O.E. udder "milk gland of a cow, goat, etc.," from P.Gmc. *udr- (cf. O.Fris., M.Du. uder, O.H.G. utar, Ger. Euter, and, with unexplained change of consonant, O.N. jugr), from PIE *udhr- (cf. Skt. udhar, Gk. outhar, L. uber "udder").
Main Entry: ud·der Pronunciation: '&d-&r Function: noun : a large pendulous organ in various mammals and especially a female domestic bovineconsisting of two or more mammary glands enclosed in a common envelope and each provided with a single nipple
udder (ŭd'ər) Pronunciation Key
A bag-shaped part of a cow and the females of other ruminants in which milk is formed and stored and from which it is taken in suckling or milking.