Definition of "jack-o'-lantern" []

• A lantern made from a hollowed pumpkin with a carved face, usually displayed on Halloween. (noun)
• See ignis fatuus. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "And speaking of Halloween decorations, we like this Metro-themed jack-o'-lantern courtesy of Greater Greater Washington."
• "If that's you, feel free to stop carving your jack-o'-lantern for just a moment, because you'll want to hear this."
• "We left the house with no particular destination in mind, but as Spooky was pulling out of the drive, I spotted our jack-o'-lantern, still on the stoop."