/ Dictionary / Index T Tusi: Meaning and Definition of Find definitions for: Tu•si Pronunciation: (t'sē), [key] — pl. -sis, -si. Tutsi. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. tushy tusk Related Content Daily Word Quiz: digression Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language