Word.ws English Dictionary

death cap

death cap noun: the deadly poisonous mushroom Amanita phalloides.

death cap: the deadly poisonous mushroom Amanita phalloides
Image: Archenzo, CC BY-SA 3.0, via Wikimedia Commons

Noun (1)

death cap (plural death caps)

  1. The deadly poisonous mushroom Amanita phalloides.
    • 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.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, →ISSN
    Synonyms:
    death cup

Noun (2)

death cap (plural death caps)

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

Synonyms of death cap

Forms of death cap

pluraldeath caps

Origin of death cap

From a clipping of capacitor.

Questions about death cap

What does death cap mean?
Death cap means the deadly poisonous mushroom Amanita phalloides.
What part of speech is death cap?
Death cap is a noun.
What is the plural of death cap?
The plural of death cap is death caps.

Words near death cap in the dictionary

  1. death camas
  2. death camp
  3. death camps
  4. death candle
  5. death candles
  6. death cap
  7. death caps
  8. death card
  9. death cards
  10. death cell
  11. death certificate

Source and license

Adapted from Wiktionary: death cap (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Flame, not lame-death cap.wav.

Cite this entry: “death cap.” Word.ws, https://word.ws/death_cap. Based on Wiktionary, CC BY-SA 4.0.