noun Date: 1667 ignis fatuus , a lantern made of a pumpkin cut to look like a human face, a large orangish gill fungus ( Omphalotus olearius syn. Clitocybe illudens ) that is poisonous and luminescent
JACK-O'-LANTERN
Meaning of JACK-O'-LANTERN in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012