Breadcrumb Home > Thesaurus > P Synonyms of piston rod Find synonyms for: Noun1. piston rod, connecting rodusage: connecting rod that moves or is moved by a pistonWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. ✖ Related Content Daily Word Quiz: sepulture Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language