Res Caduca
The Cyclopedic Law Dictionary · Walter A. Shumaker and George Foster Longsdorf; ed. James C. Cahill · 1922
The Cyclopedic Law Dictionary
In the civil law. A fallen or escheated thing; an escheat. Halifax, Civ. Law, bk.
2, c. 9, No. 60.
RES COMMUNES (Lat.) In civil law. Those things which, though a separate share of them can be enjoyed ana used by every one, cannot be exclusively and wholly appropriated; as, light, air, running water.
Mackeld. Civ. Law, §156; Ersk. Inst. 1. 1. 5. 6.