Nautical Term: Cast off

Definition of Cast off

Cast off signifies the release of a mooring line or anchor. This action enables a vessel to move freely from its anchored or moored position.

For instance, during a busy day at the harbor, the captain of a cargo ship gives the order to cast off once the mooring lines have been secured by the dockworkers. With the release of the mooring lines, the cargo ship begins to move away from the dock, ready to embark on its next voyage.

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