Jack-o'-lantern (noun)
definition:
a large poisonous agaric with orange caps and narrow clustered stalks
Synonyms
Jack-o-lantern FungusJack-o'-lantern (noun)
definition:
a lantern made from a hollowed pumpkin in which holes are carved, typically to resemble facial features, in which a candle or light is placed; primarily created around Halloween
example:
"We're going to carve the scariest jack-o-lanterns this year."