jack-a-lantern

Thesaurus

Noun

1.jack-a-lantern - a large poisonous agaric with orange caps and narrow clustered stalks; the gills are luminescentjack-o-lantern, jack-o-lantern fungus, Omphalotus illudensagaric - a saprophytic fungus of the order Agaricales having an umbrellalike cap with gills on the undersidegenus Omphalotus, Omphalotus - a genus of fungi with a depressed disc in the cap