Adverse user
Black's Law Dictionary · Henry Campbell Black, M.A. · 1910
Black's Law Dictionary
An adverse user is sack a use of the property as the owner himself would make, asking no permission, and disregarding all other claims to it, so far as they conflict with this use.
Blanchard v. Moulton, 63 Me. 434 ; Murray v. Scribner, 74 Wis. 602, 43 N. W. 548; Ward v. Warren, 82 N. Y. 265.