Jetsam (shipping) Articles from a ship or ship’s cargo which are thrown overboard usually to lighten the load in times of emergency or distress.
Jettison (shipping) To unload or throw overboard at sea a part of a ship’s paraphenalia or cargo to lighten the ship in times of emergency.
Jones Act (shipping) Section 27 of the Merchant Marine Act of 1920, requiring that all shipments by water between ports in the United States (including Puerto Rico) be carried by U.S. - flag, U.S. - built, and U.S. - crewed vessels.
This section is given in good faith
and for reference only.
