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.
- genus Derris
Example sentences of the word derris
1. Noun, singular or mass
The powder is made from the root of the derris plant.
Rotenone is made of powder made from derris root and the cube plant of South America.
3. Verb, base form
When the sun is hot and the wind is high, derris will only stay in the environment for one week at most.