ALL meanings of ancient lights
an·cient lights
A a - noun ancient lights the legal right to receive, by a particular window or windows, adequate and unobstructed daylight 3
- noun ancient lights (law) The right, based in English common law, of a property owner to retain an accustomed, unobstructed view and satisfactory illumination from his or her window(s), restricting nearby construction which would obstruct such a view or such illumination; the window(s) providing such an accustomed view or satisfactory illumination. 0