Natural possession
Black's Law Dictionary · Henry Campbell Black, M.A. · 1910
Black's Law Dictionary
That by which a man detains a thing corporeally, as, by occupying a house, cultivating ground, or retaining a movable in possession; natural possession is also defined to be the corporeal detention of a thing which we possess as belonging to us, without any title to that possession or with a title which is void.
Civ. Code La. 1900, arts. 3428, 3430. And see Railroad Co.' v. Le Rosen, 52 La. Ann. 192, 26 South. 854; Sunol v. Hepburn, 1 Cal. 262.