/ Dictionary / Index M main-topgallant: Meaning and Definition of Find definitions for: main-top•gal•lant Pronunciation: (mān'top-gal'untNaut.mān'tu-gal'unt), [key] — n. the main-topgallantmast, its sail, or its yard. See illus. under Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. maintop main-topgallantmast Related Content Daily Word Quiz: gregarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language