Meaning of JACK-A-LANTERN

WordNet Dictionary
	Definition:		[n]  a large poisonous agaric with orange caps and narrow clustered stalks; the gills are luminescent
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	Synonyms:		jack-o-lantern, jack-o-lantern fungus, Omphalotus illudens
	See Also:		agaric, genus Omphalotus, Omphalotus