The process of transferring cargo, especially oil, from one vessel to another, typically to reduce the draft of the larger vessel so it can enter a port.
The tanker underwent lightering to offload some of its oil to a smaller ship before entering the shallow harbor.
lighteringgerund / present participle
Relating to or used in the transferring of cargo from one vessel to another.
The crew inspected the lightering hoses before beginning the lightering operation.
lighterverb
To convey or unload (cargo) by means of a lighter barge.
The crew lightered the containers from the ship to the pier.