Origin of fly agaricorigin, originally used as a fly poison
a poisonous mushroom (Amanita muscaria) usually having an orange or russet cap with white flakes and white gills
also fly amanita
A poisonous mushroom (Amanita muscaria) usually having a red or orange cap with white wartlike patches, and containing compounds that have hallucinogenic properties.
(plural fly agarics)
- A poisonous mushroom, Amanita muscaria, with a large crimson cap, fading to yellow, scattered with white flecks.