Flotsam \Flot"sam\, Flotson \Flot"son\, n. [F. flotter to float. See FFlotilla, and cf. Jetsam.]

(Law) Goods lost by shipwreck, and floating on the sea; -- in distinction from jetsam or jetson. --Blackstone.

Source: Webster's Revised Unabridged Dictionary (1913)