Lantern

Noun

  • (architecture) A smaller and secondary cupola crowning a larger one, for ornament, or to admit light.

    "the lantern of the cupola of the Capitol at Washington, or that of the Florence cathedral"

  • (metalworking) A perforated barrel to form a core upon.
  • A case of translucent or transparent material made to protect a flame, or light, used to illuminate its surroundings.
  • (architecture) A cage or open chamber of rich architecture, open below into the building or tower which it crowns.
  • (steam engines) A kind of cage inserted in a stuffing box and surrounding a piston rod, to separate the packing into two parts and form a chamber between for the reception of steam, etc.; a lantern brass.
  • (architecture) An open structure of light material set upon a roof, to give light and air to the interior.
  • (engineering) A lantern pinion or trundle wheel.
  • (zoology) Aristotle's lantern
  • (theater) Especially, a metal casing with lens used to illuminate a stage (e.g. spotlight, floodlight).

Verb

  • (transitive) To furnish with a lantern.

    "to lantern a lighthouse"

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