Deadlight definition

dĕdlīt
A skylight constructed so that it cannot be opened.
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A strong shutter or plate fastened over a ship's porthole or cabin window in stormy weather.
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A round metal cover placed over a ship's porthole in stormy weather.
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A window of heavy glass set in the deck or side of a ship.
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A skylight made so as not to be opened.
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(nautical) A strong shutter fitted over a porthole etc. that can be closed in bad weather.
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(figuratively) Eyelid.
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A thick window set in a ship's side or deck.
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Other Word Forms

Noun

Singular:
deadlight
Plural:
deadlights