jack-o'-lantern Hear it!

jack-o'-lantern Definition

jack·-o'-lantern (jakə lant′ərn)

noun pl. -·terns

  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