/ Dictionary / Index G gyrene: Meaning and Definition of Find definitions for: gy•rene Pronunciation: ( jī'rēn, jī-rēn'), [key] — n. Slang. a member of the U.S. Marine Corps. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. gyrectomy gyrfalcon Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language