/ Dictionary / Index T tunny: Meaning and Definition of Find definitions for: tun•ny Pronunciation: (tun'ē), [key] — pl. -ny, -nies. tuna. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: tunny (Thesaurus) Tunney Tuonela Related Content Daily Word Quiz: heifer Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language