death cap noun
: a very poisonous mushroom of the genus Amanita (A. phalloides) of deciduous woods of North America and Europe that varies in color from pure white to olive or yellow and has a prominent volva at the base—called also death cup; see thioctic acid
Seen & Heard
What made you want to look up death cap? Please tell us where you read or heard it (including the quote, if possible).