udder

noun

ud·​der ˈə-dər 

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

Examples of udder in a Sentence

Recent Examples on the Web

Raw milk is simply dairy that has not gone through the pasteurization process—the milk goes directly from a cow’s udder to the consumer. — Lauren Manaker Ms, Health, 23 July 2026

The steady pulsing of milking machines mingled with a thumping musical beat as McAfee marched down the rows, pointing to their light pink udders. — CNN Money, 14 June 2026

The attached working farm means kids can feed farm animals, play on playgrounds and in sandboxes, learn how to milk a cow using pretend udders and try out football, baseball and basketball tossing games. — Lauren Schuster, Fort Worth Star-Telegram, 3 June 2026

Standing before the painting in his New York studio, Ikezoe pointed to the top of the canvas, where faceless people pull at the udders of two cows. — Alex Greenberger, ARTnews.com, 11 May 2026

Word History

Etymology

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

First Known Use

before the 12th century, in the meaning defined at sense 1

Rhymes for udder

• kadir
• prader
• rudder
• scudder
• shudder

Kids Definition

udder

noun

ud·​der ˈəd-ər 

1

: a large bag-shaped organ (as of a cow) consisting of two or more mammary glands enclosed in a common pouch but with each having a separate nipple

2

: a mammary gland

Medical Definition

udder

noun

ud·​der ˈəd-ər 

: a large pendulous organ in various mammals and especially a female domestic bovine consisting of two or more mammary glands enclosed in a common envelope and each provided with a single nipple