Flotsam and Jetsam are terms used to describe the DEBRIS that is left behind after a shipwreck. Flotsam refers to the wreckage that is found floating in the water, while Jetsam refers to the wreckage that has been deliberately thrown overboard. The crossword solutions for these terms are DEBRIS (6 letters) and LAGAN (5 letters). Lagan is a type of buoyant material that is attached to an object and then thrown overboard, allowing it to be recovered later.