/ Dictionary / Index G Grattan: Meaning and Definition of Find definitions for: Grat•tan Pronunciation: (grat'n), [key] 1746–1820, Irish statesman and orator. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. gratitude grattoir 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