/ Dictionary / Index L long topgallant mast: Meaning and Definition of Find definitions for: long" topgal'lant mast" Pronunciation: [key] — Naut. Naut. a single spar fitted above a topmast to carry topgallants, a royal, and all sails above. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. long-tongued Longueuil Related Content Daily Word Quiz: hedonist Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language