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barbasco

noun
bar·​bas·​co | \ bärˈba(ˌ)skō, -rˈbä-\
variants: or less commonly babasco \ bäˈb-​, bəˈb-​ \
plural -s

Definition of barbasco

1 : wild cinnamon sense 1
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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History and Etymology for barbasco

American Spanish barbasco, perhaps alteration of Spanish verbasco, varbasco mullein, from Latin verbascum

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