/ Dictionary / Index T tsunami: Meaning and Definition of Find definitions for: tsu•na•mi Pronunciation: (tsoo-nä'mē), [key] — n. an unusually large sea wave produced by a seaquake or undersea volcanic eruption. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: tsunami (Thesaurus) T-strap T suppressor cell Related Content Daily Word Quiz: miscreant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language