coaming

/ˈkoʊmɪŋ/
noun
  1. A raised border or frame around a hatch, cockpit, or other opening on a ship or boat, designed to keep water out.
    • The sailor leaned against the coaming to look out over the waves.
    • He painted the wooden coaming around the hatch to protect it from salt spray.
    • Water splashed over the deck but the coaming kept the cabin dry.
  2. A raised edge or rim around an opening on any vehicle or structure, such as a car, aircraft, or industrial equipment, to prevent liquids or debris from entering.
    • The factory installed a metal coaming around the tank opening to prevent spills.
    • The coaming around the sunroof stopped rainwater from dripping into the car.
    • In the airplane, the coaming around the cockpit window held the instruments in place.
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