/ Thesaurus / H Synonyms of heart monitor Find synonyms for: Noun1. cardiac monitor, heart monitor, monitorusage: a piece of electronic equipment for continual observation of the function of the heartWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: feline Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language