/ Dictionary / Index T tinhorn: Meaning and Definition of Find definitions for: tin•horn Pronunciation: (tin'hôrn"), [key] — Slang. Slang. —n. someone, esp. a gambler, who pretends to be important but actually has little money, influence, or skill. —adj. cheap and insignificant; small-time: a tinhorn racket. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. tin hat Tinia Related Content Daily Word Quiz: philtrum Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language