/ Thesaurus / B Synonyms of brown bat Find synonyms for: Noun1. brown bat, carnivorous bat, microbatusage: any of numerous medium to small insectivorous bats found worldwide in caves and trees and buildingsWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: reticent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language