ghost pot
n.— «The commission has purchased side-scanning radars, installed the equipment onto watermen’s boats, trained them on how to use the devices, and turned them loose in search of lost traps, also known as ghost pots.» —“Virginia’s disaster aid would buy crab licenses from watermen” by Scott Harper Virginian-Pilot (Norfolk, Virginia) Dec. 26, 2008. (source: Double-Tongued Dictionary)
Further reading
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