Meaning ofdeadlightsin English

Noun

1. strong covers for boat windows
   The sailor installed deadlights on the boat to protect the windows from heavy waves.
2. prisms for deck lighting
   The shipbuilder used deadlights to redirect sunlight and illuminate the deck below.
3. shutters for portholes (weather protection)
   The captain ordered deadlights to be fitted on the ship's portholes for stormy weather.