Encroachment
The Cyclopedic Law Dictionary · Walter A. Shumaker and George Foster Longsdorf; ed. James C. Cahill · 1922
The Cyclopedic Law Dictionary
An unlawful extension of one's right upon the lands of another. An alteration by the owner of an easement of the dominant tenement, so as to impose an additional burden on the servient tenement.
Gale, Easm. 615.