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Definition of Derris
1. Noun. Any of various usually woody vines of the genus Derris of tropical Asia whose roots yield the insecticide rotenone; several are sources of native fish and arrow poisons.
Definition of Derris
1. a climbing plant [n -RISES]
Medical Definition of Derris
1. 1. Derris: a tropical shrub in the legume family. 2. An insecticidecontaining rotenone (tubatoxin), a chemical extracted from the derrisshrub. (09 Oct 1997)