deadlight

• Прочный ставень или крышка, используемая на корабельном иллюминаторе, обычно закрываемая во время штормовой погоды для предотвращения попадания воды внутрь.

A strong shutter or cover used over a ship's porthole, typically closed during stormy weather to prevent water from entering.

1. Ship's porthole shutterC1formal

   A strong, watertight shutter or cover used to protect a ship's porthole during stormy or rough weather.

   Штормовой иллюминатор

   • The crew secured the deadlights before the storm hit.
   • He closed the deadlight to prevent water from entering the cabin.
   • The old ship had heavy brass deadlights on all its portholes.