Definition of udder noun from the Oxford Advanced Learner's Dictionary

 

udder

 noun
noun
BrE BrE//ˈʌdə(r)//
 
; NAmE NAmE//ˈʌdər//
 
Farm animals, Parts of animals
 
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an organ shaped like a bag that produces milk and hangs underneath the body of a cow, goat, etc. See related entries: Farm animals, Parts of animals Word Origin Old English ūder, of West Germanic origin; related to Dutch uier and German Euter.
See the Oxford Advanced American Dictionary entry: udder