What is Altius Non Tollendi?

Legal Definition
Civil law. The name of a servitude due by the owner of a house, by which he is restrained from building beyond a certain height. Dig. 8, 2, 4, and 1, 12, 17, 25.
-- Bouviers Law Dictionary
Legal Definition
In the Civil law. A servitude due by the owner of a house, by which he is restrained from building beyond a certain height. Dig 8, 2, 4; Sandars, Just. Inst. 119.
-- Black's Law Dictionary
Legal Definition
An easement restraining the height of one’s buildings.
-- Ballentine's Law Dictionary