/ Thesaurus / A Synonyms of american harvest mouse Find synonyms for: Noun1. American harvest mouse, harvest mouse, New World mouseusage: any of several small greyish New World mice inhabiting e.g. grain fieldsWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: loathe Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language