Definitions for "Lightering"
Keywords:  unload, tankers, cargo, shallow, port
Unloading of cargo from deep draft vessels into smaller vessels that are able to enter shallower ports.
Ship-to-ship transfer of cargo in deepwater to complete loading of a vessel leaving a shallow load port (or berth) or to partially unload one which draws too much water to reach a shallow point.
The act of using a boat or barge to unload a larger ship offshore.