/ Dictionary / Index T trysail: Meaning and Definition of Find definitions for: try•sail Pronunciation: (trī'sāl"Naut.trī's&schwal), [key] — n. Naut. a triangular or quadrilateral sail having its luff hooped or otherwise bent to a mast, used for lying to or keeping a vessel headed into the wind; spencer. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. tryptophan trysail mast Related Content Daily Word Quiz: impetuous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language