To gain unlawfully upon the lands, property, or authority of another ;as If one man presses upon the grounds of another too far, or if a tenant owe twoshillings rent-service, and the lord exact three. So, too, the Spencers were said toencroach the king’s authority. Blount; I’lowd. Ma.In the law of easements. Where the owner of an easement alters the dominanttenement, so as to impose an additional restrict ion or burden on the servienttenement, he is said to commit an encroachment . Sweet.