/ Thesaurus / D Synonyms of distributor cap Find synonyms for: Noun1. distributor cap, capusage: the cap of the distributor that holds in place the wires from the distributor to the spark plugsWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: reticent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language