Definitions for jetsamˈdʒɛt səm
Random House Webster's College Dictionary
goods that are cast overboard deliberately, as to lighten or stabilize a vessel in an emergency, and that sink where jettisoned or are washed ashore.
Category: Nautical, Name, Navy
Ref: Compare flotsam, 1 lagan.
Origin of jetsam:
1560–70; alter. of jetson, syncopated var. of jettison
the part of a ship's equipment or cargo that is thrown overboard to lighten the load in a storm
the floating wreckage of a ship
articles thrown overboard from a ship or boat in order to lighten the load of a ship in distress
discarded odds and ends
Origin: From jetteson, from getteson (See jettison.)
alt. of Jetson
The Nuttall Encyclopedia
part of the cargo of a ship thrown overboard to lighten her in a case of peril.