noun.A small apartment next to the magazine in a ship of war, in which lights for illuminating the magazine are placed behind thick glass windows, to avoid danger from carrying fire among the explosives. Also called light-box.

noun.The room at the top of a lighthouse containing the lighting apparatus.

noun.A small room from which the magazine of a naval vessel is lighted, being separated from the magazine by heavy glass windows.

noun.A small room from which the magazine of a naval vessel is lighted, being separated from the magazine by heavy glass windows.