/ Dictionary / Index B barbasco: Meaning and Definition of Find definitions for: bar•bas•co Pronunciation: (bär-bas'kō, -bä'skō), [key] — pl. -cos. a shrub or small tree, Jacquinia barbasco, of tropical America, the source of a substance used to stun fish so they can be caught easily. any similar plant yielding a substance that stuns or kills fish. the fish-stunning or fish-killing substance obtained from these plants. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: barbasco (Thesaurus) Barbary States barbate Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language