In Mexican law. Undertakers or promoters of extensive enterprises, aided by concessions or monopolistic grants from government; particularly, persons receiving extensive land grants in consideration of their bringing emigrants into the country and settling them on the lands, with a view of increasing the population and developing the resources of the country. U. 6. v. Maxwell LandGrant Co., 121 U. S. 325, 7 Sup. Ct 1015, 30 L. Ed. 949.