In the civil law . The right of enjoying a thing, the property of which is vested In another, and to draw from the same all the profit, utility, and advan- tage which it may produce, provided it be without altering the substance of the thing. Civ. Code La. art. 533. And see Mulford v. Le Franc, 26 Cal. 102; Cartwright v. Cart- wright, 18 Tex. 62S; Strausse v. Sheriff, 43 La. Ann. 501, 9 South. 102.