{ ‖‖ } n. [ F. jeter to throw: cf. OF. getaison a throwing. Cf. Flotsam, Jettison. ] 1. (Mar. Law) Goods which sink when cast into the sea, and remain under water; -- distinguished from flotsam, goods which float, and ligan (or lagan), goods which are sunk attached to a buoy. [ 1913 Webster ]

2. The act of throwing objects from a ship to lighten the load; jettison{ 1 }. See Jettison, 1. [ 1913 Webster ]

3. Hence: Anything thrown overboard from a ship, whether floating or not. [ PJC ]

4. Hence: [ fig. ] Objects scattered about in a disorderly manner; as, he couldn't find his sneakers among the jetsam in his room. [ Colloq. ] [ PJC ]