/ Dictionary / Index T tiepin: Meaning and Definition of Find definitions for: tie•pin Pronunciation: (tī'pin"), [key] — n. a straight pin, usually with an ornamented head and a small metal sheath for its point, for holding together the ends of a necktie or to pin them to a shirt front. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: tiepin (Thesaurus) tie-off rail tie plate Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language