Pronunciation: (bär-bas'kō, -bä'skō), [key]
1. 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.
2. any similar plant yielding a substance that stuns or kills fish.
3. the fish-stunning or fish-killing substance obtained from these plants.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.