/ Dictionary / Index T tost: Meaning and Definition of Find definitions for: tost Pronunciation: (tôst, tost), [key] — v. Literary. a pt. and pp. of toss. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. tossup tostada Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language