Definitions

1. verb

to treat or poison with cantharides, a substance extracted from the blister beetle, or to provoke or excite strongly

“The old remedy was said to cantharidate the patient, inducing a severe fever.”

2. noun

a substance obtained from the blister beetle, used historically as a poison or aphrodisiac

“The ancient Greeks used cantharides to cantharidate their enemies, inducing a painful blistering.”