Meaning of Spanish fly

Span'ish fly'

Pronunciation: [key]
  1. Also calleda preparation of powdered blister beetles, esp. the Spanish fly, used medicinally as a counterirritant, diuretic, and aphrodisiac.
  2. Also calleda common European blister beetle, Cantharis (Lytta) vesicatoria, that yields this preparation.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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