/ Dictionary / Index G gyroplane: Meaning and Definition of Find definitions for: gy•ro•plane Pronunciation: ( jī'ru-plān"), [key] — n. autogiro. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: gyroplane (Thesaurus) gyropilot gyro repeater 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