Pronunciation: (flot'sum),[key] —n. 1. the part of the wreckage of a ship and its cargo found floating on the water. Cf. jetsam, lagan. 2. material or refuse floating on water.
3. useless or unimportant items; odds and ends.
4. a vagrant, penniless population: the flotsam of the city slums in medieval Europe. Also called flot'sam and jet'sam(for defs. 3, 4).