Amanita muscaria n 1: poisonous (but rarely fatal) woodland fungus having a scarlet cap with white warts and white gills [syn: {fly agaric}, {Amanita muscaria}]
Fly amanita \Fly amanita\, Fly fungus \Fly fungus\ . (Bot.) A poisonous mushroom ({Amanita muscaria}, syn. {Agaricus muscarius}), having usually a bright red or yellowish cap covered with irregular white spots. It has a distinct volva at the base, generally an upper ring on the stalk, and white spores. Called also {fly agaric}, {deadly amanita}. [Webster 1913 Suppl.]
Amanita \Am`a*ni"ta\, n. [NL. See {Amanitine}.] (Bot.) A genus of poisonous fungi of the family {Agaricace[ae]}, characterized by having a volva, an annulus, and white spores. The species resemble edible mushrooms, and are frequently mistaken for them. {Amanita muscaria}, syn. {Agaricus muscarius}, is the fly amanita, or fly agaric; and {Agaricus phalloides} is the death cup (or death cap). [Webster 1913 Suppl.]