/ Dictionary / Index M mommy: Meaning and Definition of Find definitions for: mom•my Pronunciation: (mom'ē), [key] — pl. -mies. mother (defs. 1, 2, 4). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: mommy (Thesaurus) Mommsen mommy track Related Content Daily Word Quiz: deleterious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language