To throw part of the cargo or gear of the vessel overboard to lighten the load and save the vessel. The owner of the jettisoned goods is entitled to a "general average," i.e., the loss is shared by the owners of the vessel and the owners of the cargo which was not thrown away.
Hazard covered under a Marine Cargo Insurance policy, defined as the throwing overboard of cargo when done to preserve property from lss. Coverage is not provided under this clause for goods jettisoned because of spoilage, such as foods, plants, hides, etc. (The spoilage may be covered under another clause, or another policy, which can be determined by consulting with your insurance agent). See also [MARINE CARGO INSURANCE
The act of intentionally throwing cargo overboard e.g. with the objective of lightening a vessel, which has run aground, such for the common good of all interests: vessel, crew and remaining cargo See GA