Definitions for jack-o-lantern
jack-o-lantern fungus, jack-o-lantern, jack-a-lantern, Omphalotus illudens(noun)
a large poisonous agaric with orange caps and narrow clustered stalks; the gills are luminescent
A carved pumpkin whose top and stem have been cut out and interior removed, leaving a hollow shell that is then decorated to represent a face, illuminated from within by a candle.
A will o' the wisp
Origin: Originally, a night watchman who carried a lantern. (See Jack)
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