/ Dictionary / Index T tussis: Meaning and Definition of Find definitions for: tus•sis Pronunciation: (tus'is), [key] — n. Pathol. a cough. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. tussiculation tussive Related Content Daily Word Quiz: feline Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language