backdam /ˈbækdæm/ noun2 •A dam that lies to the rear of something.Two side dams are likewise thrown up, and extend as far as the cultivation, where they join a back dam; so that an estate is a complete island within itself, and dammed on all sides. — 1809 •A region of rural, undeveloped land, especially on the outskirts of a farm.The cows are kept in stables erected in small yards, and are fed with concentrates and cut grass, obtained from the back[-]dams of estates. — 1934 formsbackdams
