jack-a-lantern
1. [ noun ] (botany) a large poisonous agaric with orange caps and narrow clustered stalks; the gills are luminescent
Synonyms: jack-o-lantern Omphalotus_illudens jack-o-lantern_fungus
Related terms: agaric Omphalotus
Similar spelling:   jack-o-lantern
  jack-o'-lantern