ůstamps (7 schilling, mauve, imperforate, Hamburg, 1866: 4 pence, rose, blue paper, perforate, Great Britain, 1855: 1 franc, stone, official, rouletted, diagonal surcharge, Luxemburg, 1878), antique dynastical ring, unique relic) in unusual repositories or by unusual means: from the air (dropped by an eagle in flight), by fire (amid the carbonised remains of an incendiated edifice), in the sea (amid flotsam, jetsam, lagan and derelict), on earth (in the gizzard of a comestible fowl).
There are no more uses of "jetsam" in the book.
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On a reconnaissance foray into the bowels of the great closet that harbored the jetsam and flotsam washed into the schoolroom over the years, I unearthed a brand-new automatic movie projector.
Pat Conroy -- The Water is Wide
The place was a back eddy, a pool of jetsam beyond the pull of the main current, and that suited him just fine.