/ Dictionary / Index M mammer: Meaning and Definition of Find definitions for: mam•mer Pronunciation: (mam'ur), [key] — v.i. Brit. Dial. to stammer or mutter. to hesitate; be undecided; waver in determination. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. mammee mammet Related Content Daily Word Quiz: vertigo Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language