a bull's-eye let into the deck or hull of a vessel to admit light to a cabin a shutter of wood or metal for sealing off a porthole or cabin window a skylight designed not to be opened
WordReference Random House Unabridged Dictionary of American English © 2025
dead•light
(ded′līt′),USA pronunciation n. [Naut.]
- Nautical, Naval Termsa strong shutter able to be screwed against the interior of a porthole in heavy weather.
- Nautical, Naval Termsa thick pane of glass set in the hull or deck to admit light.
- dead + light1 1720–30
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