/ Dictionary / Index M moonraker: Meaning and Definition of Find definitions for: moon•rak•er Pronunciation: (mn'rā"kur), [key] — n. Also calleda light square sail set above a skysail. a simpleton. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. moonquake moonrise Related Content Daily Word Quiz: resilient Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language