/ Thesaurus / M Synonyms of mastiff bat Find synonyms for: Noun1. mastiff bat, carnivorous bat, microbatusage: a soft-furred chocolate-brown bat with folded ears and small wings; often runs along the groundWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: perennial Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language