/ Dictionary / Index G grater: Meaning and Definition of Find definitions for: grat•er Pronunciation: (grā'tur), [key] — n. a person or thing that grates. any of various kitchen devices for grating food: a cheese grater. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: grater (Thesaurus) grateful Gratiae Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language