Udder

имя существительное вымя

Большой англо-русский словарь

Udder

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

Merriam-Webster's Collegiate Dictionary