Plant poisonous to fish

• 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

Wikipedia Word definitions in Wikipedia
Derris was an ancient Greek city located in Thrace, located in the region of the Thracian Chersonesos .

Wiktionary Word definitions in Wiktionary
n. A climbing leguminous plant of Southeast Asia and the southwest Pacific Islands, whose roots are a source of rotenone.

WordNet Word definitions in WordNet
n. 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