death cap

English

Pronunciation

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Etymology 1

Noun

death cap (plural death caps)

  1. The deadly poisonous mushroom Amanita phalloides.
    Synonym: death cup
    • 2025 June 3, Nino Bucci, “Erin Patterson accepts beef wellington served at fatal lunch contained death cap mushrooms, triple murder trial hears”, in The Guardian[1], →ISSN:
      Erin Patterson has told a court that the majority of the mushrooms in a beef wellington dish served in her Leongatha home came from a local supermarket, but says she also accepts the dish contained death caps.
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Etymology 2

From a clipping of capacitor.

Noun

death cap (plural death caps)

  1. (slang, music) A potentially dangerous capacitor on the primary side of the power transformer in a guitar amp.