/ Thesaurus / C Synonyms of contact arm Find synonyms for: Noun1. wiper, wiper arm, contact arm, contact, tangencyusage: contact consisting of a conducting arm that rotates over a series of fixed contacts and comes to rest on an outletWordNet 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