What does the word jetsam mean?

Usage examples for jetsam

  1. The same manor had flotsam, jetsam, and lagan, " and so it was adjudged upon a trial at bar between Henry, Earl of Northumberland, and Sir Nicholas Curwen in Queen Elizabeth's time, and afterwards a decree in Chancery for conforming the said prescription and securing that right to the sea against the lord paramount." – Bygone Cumberland and Westmorland by Daniel Scott
  2. The two Kabyles are Mohammed's, and the flotsam and jetsam is mine. – The Golden Silence by C. N. Williamson and A. M. Williamson