the act or an instance of saving or rescuing a ship or its cargo from loss at sea
the act or an instance of saving or rescuing property, e.g. from fire
in law, payment made to somebody who saves or rescues something, esp a ship or its cargo, from loss or damage
property saved or rescued from a calamity, e.g. a wreck or fire
something of use or value extracted from waste material
[French salvage from early French salver: see save1]