In American land law, especially in the western states. A certificate authorizing the entry, by the holder, of a certain quantity of land not yet specifically selected or located. U. S. v. Central l’ac. It. Co. (C. C.) 2(! Fed. 4SO; Hays v. Steiger,70 Cal. 555, 18 l’ac. 070; Wisconsin Cent. It. Co. v. Price County, 133 U. S. 400, 10 Sup.Ct. 341, 33 L. Ed. 0S7.