D defs.my
Entry 4 senses Webster, 1913

Jetsam

/jĕtˈ-səm/ · Jet·sam · IPA /ˈd͡ʒɛt.səm/
01 n. Goods which sink when cast into the sea, and remain under water; -- distinguished from flotsam, goods which float, and ligan (or lagan), go…
  1. 1.
    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.(Mar. Law)
  2. 2.
    The act of throwing objects from a ship to lighten the load; jettison{1}. See Jettison, 1. See: Jettison
  3. 3.
    Anything thrown overboard from a ship, whether floating or not.
  4. 4.
    Objects scattered about in a disorderly manner; as, he couldn't find his sneakers among the jetsam in his room.[fig.]