/ Thesaurus / B Synonyms of bundle of his Find synonyms for: Noun1. atrioventricular bundle, bundle of His, atrioventricular trunk, truncus atrioventricularis, cardiac muscle, heart muscleusage: a bundle of modified heart muscle that transmits the cardiac impulse from the atrioventricular node to the ventricles causing them to contractWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: sequester Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language