Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun jack-o'-lantern

2 senses of jack-o'-lantern

Sense 1
friar's lantern, ignis fatuus, jack-o'-lantern, will-o'-the-wisp -- (a pale light sometimes seen at night over marshy ground)
       => light, visible light, visible radiation -- ((physics) electromagnetic radiation that can produce a visual sensation; "the light was filtered through a soft glass window")

Sense 2
jack-o'-lantern -- (lantern carved from a pumpkin)
       => lantern -- (light in a transparent protective case)