1A bright green European blister beetle.
- Lytta vesicatoria, family Meloidae
1.1 [mass noun] A toxic preparation of the dried bodies of Spanish fly beetles, formerly used in medicine as a counterirritant and sometimes taken as an aphrodisiac. Also called cantharides.
- What should have been a party ends up a limp loser that no amount of Spanish fly could enliven.
- The show has not proven to be the small-screen equivalent of Spanish fly.
Definition of Spanish fly in:
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