Cloff n. (Written also clough) Formerly an allowance of two pounds in every three hundred weight after the tare and tret are subtracted; now used only in a general sense, of small deductions from the original weight.
... his handsome eyes on the bay captain, as if there was a business secret between them, and peering at once mischievously and nobly; "he makes the quotient to suit. He leaves the suttle large and never stints the cloff." ... — The Entailed Hat - Or, Patty Cannon's Times • George Alfred Townsend