Origin of cantharis
Middle English & Latin; Middle English cantharide, from Latin cantharid-, cantharis, from Greek kantharid-, kantharis
First Known Use: 14th century
Medical Definition of cantharis
plural can·thar·i·des \kan-ˈthar-ə-ˌdēz\play
1: spanish fly 1
2cantharides plural but singular or plural in construction : a preparation of dried beetles and especially Spanish flies that contains cantharidin and is used in medicine as a blister-producing agent and formerly as an aphrodisiac—called also Spanish fly
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Medical Dictionary: Definition of "cantharis"
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