inky cap

noun

: a mushroom (genus Coprinopsis, especially C. atramentaria) whose pileus deliquesces into an inky fluid after the spores have matured

called also ink cap

Examples of inky cap in a Sentence

Recent Examples on the Web The alcohol inky—a wonderful name for a mushroom—is a member of the inky cap family, several of which have a great distinction. —

Popular Science, 11 Mar. 2020

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