Res universitatis
Black's Law Dictionary · Henry Campbell Black, M.A. · 1910
Black's Law Dictionary
In the civil law. Things belonging to a community, (as, to a municipality,) the use and enjoyment of which, according to their proper purpose, is free to every member of the community, but which cannot be appropriated to the exclusive use of any individual; such as the public bnildings, streets, etc.
Inst. 2, 1, 6; Mackeld. Rom. Law, § 170.