/ Dictionary / Index U udder: Meaning and Definition of Find definitions for: ud•der Pronunciation: (ud'ur), [key] — n. a mamma or mammary gland, esp. when baggy and with more than one teat, as in cows. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: udder (Thesaurus) U.D.C. Udine Related Content Daily Word Quiz: circumspect Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language