meaning: a large poisonous agaric with orange caps and narrow clustered stalks (noun)

synonyms:jack-o-lantern fungus,

meaning: 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 (noun)

example:We're going to carve the scariest jack-o-lanterns this year.