/ Dictionary / Index R rasbora: Meaning and Definition of Find definitions for: ras•bo•ra Pronunciation: (raz-bôr'u, -bōr'u, raz'bur-u), [key] — n. any of several minnows of the genus Rasbora, inhabiting fresh waters of southeastern Asia and the Malay Archipelago, esp. the silvery R. heteromorpha, that has a black triangular marking near the tail and is often kept in aquariums. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Ras Addar rascal Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language