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gill
n : either of two units of capacity a : a British unit equal to ¼ imperial pint or 8.669 cubic inches b : a U.S. liquid unit equal to ¼ U.S. liquid pint or 7.218 cubic inches n 1 : an organ (as of a fish) for obtaining oxygen from water 2 : one of the radiating plates forming the undersurface of the cap of a mushroom gilled adj
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