derris
Concise Oxford English Dictionary © 2008 Oxford University Press:
derris /ˈdɛrɪs/
▶noun
- 1 an insecticide containing rotenone, made from the powdered roots of a tropical plant.
- 2 the woody climbing plant from whose roots derris is obtained.
– origin C19: mod. L. (genus name of the plant), from Gk, ‘leather covering’ (referring to the plant's pods).
'derris' also found in these Oxford entries:
