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A case of translucent or transparent material made to protect a flame, or light, used to illuminate its surroundings.
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Especially, a metal casing with lens used to illuminate a stage (e.g. spotlight, floodlight).
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An open structure of light material set upon a roof, to give light and air to the interior.
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A cage or open chamber of rich architecture, open below into the building or tower which it crowns.
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A smaller and secondary cupola crowning a larger one, for ornament, or to admit light.
example
the lantern of the cupola of the Capitol at Washington, or that of the Florence cathedral
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A lantern pinion or trundle wheel.
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(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.
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A light formerly used as a signal by a railway guard or conductor at night.
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A perforated barrel to form a core upon.
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Aristotle's lantern