/ Dictionary / Index T tin hat: Meaning and Definition of Find definitions for: tin' hat' Pronunciation: [key] — Slang. Slang. a steel helmet worn by soldiers. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. tin god tinhorn Related Content Daily Word Quiz: clairvoyant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language