/ Dictionary / Index C crystal pleat: Meaning and Definition of Find definitions for: crys'tal pleat' Pronunciation: [key] any of a line of narrow, corrugated pleats pressed into a fabric, esp. one that is lightweight. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. crystal pickup crystal set Related Content Daily Word Quiz: alacrity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language