Definitions:

1. A carved pumpkin typically associated with Halloween. NOUN
   • The jack-o-lantern sat on the porch, a symbol of the Halloween season.
2. A light made from a hollow pumpkin with holes cut into the sides like the eyes and mouth of a person's face, inside which there is a candle. NOUN
   • The flickering candlelight inside the jack-o-lantern cast eerie shadows on the wall.

Synonyms:

• illuminator
• Pumpkin