jack-o'-lantern

Definition of Jack-o'-lantern in English :

a pale light sometimes seen at night over marshy ground

2. jack-o'-lantern

lantern carved from a pumpkin

WordNet Lexical Database for English. Princeton University. 2010.

Jack-o'-lantern

noun

1.

a lantern made from a hollowed pumpkin, which has holes cut in it to represent a human face

2.

a will-o'-the-wisp or similar phenomenon

nounWord forms: plural ˈjack-ˌo'-lanterns

1.

a shifting, elusive light seen over marshes at night; will-o'-the-wisp

2.

a hollow pumpkin cut to look like a face and usually illuminated inside as by a candle, used as a decoration at Halloween

n. pl. jack-o'-lanterns

1. A lantern made from a hollowed pumpkin with a carved face, usually displayed on Halloween.