In mercantile law. Notes, checks, bank-bills, drafts, and other securl-tles for money, received as cash by the hanks. Such commercial paper as is consid-ered worthy of discount by the hank to which it is offered is termed “bankable.” Allis Co. v. Power Co., 9 S. D. 459, 70 N. W. 650
Source: Black's Law Dictionary 2nd Ed (1910)