/ Dictionary / Index G gammer: Meaning and Definition of Find definitions for: gam•mer Pronunciation: (gam'ur), [key] — n. Brit. Archaic. an old woman. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. gamma-ray astronomy gammon Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language