Ligan

Goods thrown overboard, but tied to a cork or buoy in order to be found again. (Latin ligāre, to tie or bind.)

⁂ Flotsam. The débris of a wreck which floats on the surface of the sea, and is often washed ashore. (Latin flotare, to float.)

Jetson or jetsam. Goods thrown overboard in a storm to lighten the vessel. (Latin jacĕre, to cast forth, through the French jeter.)