Main Entry: ud·der

Pronunciation: \ˈə-dər\

Function: noun

Etymology: Middle English, from Old English ūder; akin to Old High German ūtar udder, Latin uber, Greek outhar, Sanskrit ūdhar

Date: before 12th century

1 : a large pendulous organ consisting of two or more mammary glands enclosed in a common envelope and each provided with a single nipple — see cow illustration
2 : mammary gland