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bar·bas·co | \ bärˈba(ˌ)skō, -rˈbä- \
variants:
or less commonly babasco \ bäˈb- , bəˈb- \
plural -s
Definition of barbasco
2 : joewood
3a : any of various plants used by the Indians of northern South America in making fish poison especially : cube entry 3 sense 1
b : the poison (such as rotenone) contained in these plants
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