Nautical Term: Brow
Definition of Brow
A brow is a small, curved structure or flanged plate fitted on the outside of a ship’s shell, over an air vent or port. The primary function of a brow is to prevent water from running down the ship’s side from entering the open port. This is crucial for maintaining the watertight integrity of the ship. The brow is also known as a watershed.
For example, imagine a large cargo ship is making its way through rough seas. As the ship navigates through the waves, water constantly splashes against the sides of the ship. The ship’s crew must ensure that no water enters the ship through its open ports. To prevent this from happening, the crew fits a brow, or flanged plate, over each open port. This creates a seal that prevents water from entering the ship through the open ports.
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