desk officer
- n a military officer who is not assigned to active duty
derris
- 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
derris elliptica
- n woody vine having bright green leaves and racemes of rose-tinted white flowers; the swollen roots contain rotenone
derris root
- n woody vine having bright green leaves and racemes of rose-tinted white flowers; the swollen roots contain rotenone