/ Thesaurus / B Synonyms of box pleat Find synonyms for: Noun1. box pleat, pleat, plaitusage: a flat double pleat made by folding under the fabric on either side of itWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: candor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language