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Synonyms

udder

American  
[uhd-er] / ˈʌd ər /

noun

  1. a mamma or mammary gland, especially when baggy and with more than one teat, as in cows.

udder British  
/ ˈʌdə /

noun

  1. the large baglike mammary gland of cows, sheep, etc, having two or more teats

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
udder Scientific  
/ ŭd′ər /

  1. 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.

Etymology

Origin of udder

before 1000; Middle English uddre, Old English ūder; cognate with German Euter, Latin ūber, Greek oûthar, Sanskrit ū́dhar

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

In an unassuming building in Stratford, east London, British start-up Better Dairy is making cheese that has never seen an udder, which it argues tastes like the real thing.

From BBC • Jul. 12, 2025

Even so, experts say bacteria can still contaminate milk — even when procured from a sparkling-clean udder.

From Los Angeles Times • Dec. 5, 2024

Just about everything Larson does with a wheel in his hands seems natural to him, but a cow’s udder?

From Seattle Times • May 21, 2024

Some experimental vaccines against bacterial udder infections have performed poorly, Falkenberg says, suggesting that is a difficult hurdle.

From Science Magazine • May 20, 2024

The cow’s udder was bloated, nearly as badly as the first time they had milked her.

From "Fablehaven" by Brandon Mull

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.