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lantern (EN)
noun

noun “lantern”

singular lantern, plural lanterns
  1. a protective case that allows light to pass through, used to hold and shine light from a flame or bulb
    During the power outage, we used an old-fashioned lantern to navigate through the house.
  2. a metal lighting device with a lens, specifically used in theaters to focus light on the stage
    The director asked the crew to adjust the lanterns to spotlight the actor during his monologue.
  3. a light, open structure on a roof that allows light and air into the building below
    The glass lantern atop the library's dome bathed the reading room in natural light.
  4. a type of gear wheel with cylindrical rods for teeth, used in machinery
    The mechanic replaced the worn-out lantern gear to ensure the clockwork operated smoothly.