/ Dictionary / Index T turbinal: Meaning and Definition of Find definitions for: tur•bi•nal Pronunciation: (tr'bu-nl), [key] ? adj. turbinate. ?n. a turbinate bone. Random House Unabridged Dictionary, Copyright 1997, by Random House, Inc., on Infoplease. See also: turbinal (Thesaurus) turbidity current turbinate Related Content Daily Word Quiz: wizened Analogy of the Day: Today?s Analogy Spelling Bee: Today?s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language