/ Dictionary / Index K knife pleat: Meaning and Definition of Find definitions for: knife' pleat" Pronunciation: [key] a sharply creased narrow pleat, usually one of a series folded in the same direction. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. knife-edged knife rest 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