/ Dictionary / Index T tortuosity: Meaning and Definition of Find definitions for: tor•tu•os•i•ty Pronunciation: (tôr"ch-os'i-tē), [key] — pl. -ties. the state of being tortuous; twisted form or course; crookedness. a twist, bend, or crook. a twisting or crooked part, passage, or thing. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: tortuosity (Thesaurus) Tortuga tortuous Related Content Daily Word Quiz: supine Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language