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Noun: jack-o-lantern fungus
  1. A large poisonous agaric with orange caps and narrow clustered stalks; the gills are luminescent
    - jack-o-lantern, jack-a-lantern, Omphalotus illudens

Derived forms: jack-o-lantern fungi

Type of: agaric

Part of: genus Omphalotus, Omphalotus