/ Dictionary / Index G gyri: Meaning and Definition of Find definitions for: gy•ri Pronunciation: ( jī'rī), [key] — n. pl. of Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: gyri (Thesaurus) gyrfalcon gyro 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