society > armed hostility > defence > defensive work(s) > earthwork or rampart > [noun] > moving trench or hill (2)
(a) a framework on wheels, covered with canvas and painted so as to resemble a mound of earth or parapet, and used as a defence when advancing…
a large mound of earth moved forwards by taking earth from the lower part and transferring it to the top, protecting those behind the mound as they…