deadlight

n. 舷窗内盖

dead.light

n.（名词）
Nautical
【航海】
A strong shutter or plate fastened over a ship`s porthole or cabin window in stormy weather.
舷窗内盖：一种坚固的百叶窗或厚金属板，系在船的舷窗上或船窗玻璃上，用在暴风雨的天气中
A thick window set in a ship`s side or deck.
固定舷窗：安装在船侧或甲板上的厚窗户
A skylight constructed so that it cannot be opened.
固定天窗：这样建造的天窗使它不能被打开