A more thorough explanation:

Definition: Moorage refers to the act of securing a vessel to a wharf or dock. It can also refer to the fee charged for this service.

1. The captain instructed the crew to prepare the ropes for moorage as they approached the dock.

2. The moorage fee for a 30-foot sailboat at this marina is $25 per night.

These examples illustrate the two meanings of moorage. In the first example, moorage refers to the act of securing the vessel to the dock. The captain is instructing the crew to prepare the ropes, which will be used to tie the boat to the dock. In the second example, moorage refers to the fee charged for this service. The marina charges a fee for boats to use their dock, and the fee is based on the size of the boat.