n. [ OE. clough, cloghe, clou, clewch, AS. (assumed) clōh, akin to G. klinge ravine. ] 1. A cleft in a hill; a ravine; a narrow valley. Nares. [ 1913 Webster ]
2. A sluice used in returning water to a channel after depositing its sediment on the flooded land. Knight. [ 1913 Webster ]
