/ Thesaurus / P Synonyms of plains pocket mouse Find synonyms for: Noun1. plains pocket mouse, Perognathus flavescens, pocket mouseusage: small rodent of open areas of United States plains statesWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: rustic Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language