An estate whereby a present interest passes to and resides in the tenant, not depending on any subsequent circumstance or contingency. 2 Bl. Comm. 163. An estate where the tenant is in actual pernancy, or receipt of the rents and other advantages arising therefrom. 2 Crabb, Real Prop. p. 958 2322. Eberts v. Fisher, 44 Mich. 551, 7 N. W. 211; Sage v. Wheeler, 3 App. Div. 38, 37 N. Y. Supp. 1107.