/ Dictionary / Index B branchiopneustic: Meaning and Definition of Find definitions for: bran•chi•op•neus•tic Pronunciation: (brang"kē-op-n'stik, -ny'-), [key] — adj. Entomol. breathing by means of gills, as certain aquatic insect larvae. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. branchio- branchiopod Related Content Daily Word Quiz: sinister Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language