Dictionary![]() ![]() jet•samPronunciation: ( jet'sum), [key] —n. goods cast overboard deliberately, as to lighten a vessel or improve its stability in an emergency, which sink where jettisoned or are washed ashore. Also,jet'som.Cf. flotsam, lagan. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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