- a poisonous mushroom of the genus Amanita.
- the part of this mushroom that persists around the base of the stalk as a membranous cup.
Origin of death cup
First recorded in 1900–05
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for death cup
The deadly Amanita or death-cup (A. phalloides) is probably responsible for the majority of cases of mushroom poisoning.Food Poisoning
Edwin Oakes Jordan
It is the active principle of the most deadly of all mushrooms, the Amanita phalloides, or death-cup fungus.Studies of American Fungi. Mushrooms, Edible, Poisonous, etc.
George Francis Atkinson