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

1. A pale light sometimes seen at night over marshy ground
   - friar's lantern, ignis fatuus, will-o'-the-wisp 
2. Lantern carved from a pumpkin

Derived forms: jack-o-lanterns, jack-o'-lanterns

Type of: agaric, lantern, lanthorn [archaic], light, visible light, visible radiation

Part of: genus Omphalotus, Omphalotus

Encyclopedia: Jack-o'-lantern

• irritatedly
• irritating
• irritatingly
• irritation
• irritative
• irrupt
• irruption
• irruptive
• IRS
• Irtish
• Irtish River
• Irtysh
• Irtysh River
• Irula
• Irving
• Irving Berlin
• Irving Howe
• Irving Langmuir
• Irvingia
• Irvingia gabonensis
• ISA
• Isaac
• Isaac Asimov
• Isaac Bashevis Singer
• Isaac Hull