/ Dictionary / Index T thruway: Meaning and Definition of Find definitions for: thru•way Pronunciation: (thr'wā"), [key] — n. a limited-access toll highway providing a means of direct transportation between distant areas for high-speed automobile traffic. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: thruway (Thesaurus) thrust stage thrymsa Related Content Daily Word Quiz: abstain Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language