| 1. | Also called cantharides. a preparation of powdered blister beetles, esp. the Spanish fly, used medicinally as a counterirritant, diuretic, and aphrodisiac. |
| 2. | Also, Span⋅ish⋅fly. Also called cantharis. a common European blister beetle, Cantharis (Lytta) vesicatoria, that yields this preparation. |
