deadlight (suomeksi)

Määritelmät:

(lb, en, nautical) A strong (often wooden) shutter fitted over a porthole, that can be closed in bad weather to keep water out and discourage the glass windows from breaking.
(lb, en, nautical) A deck prism, a device to allow light into the cabin of boat through the deck.
(lb, en, figurative) An eyelid.