/ Thesaurus / C Synonyms of cover plate Find synonyms for: Noun1. cover plate, coveringusage: covering consisting of a plate used to cover over or close in a chamber or receptacleWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: topography Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language