/ Dictionary / Index W waistcoat: Meaning and Definition of Find definitions for: waist•coat Pronunciation: (wes'kut, wāst'kōt"), [key] — n. vest (def. 1). an 18th-century garment for women that is similar to a man's vest, usually worn with a riding habit. a man's body garment, often quilted and embroidered and having sleeves, worn under the doublet in the 16th and 17th centuries. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: waistcoat (Thesaurus) waistcloth waistcoating Related Content Daily Word Quiz: banshee Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language