earthwork
n. Artificial bank of earth in fortification or road-building etc.
n. Any construction, whether a temporary breastwork or permanent fortification, for attack or defense, the material of which is chiefly earth.
n. Artificial bank of earth in fortification or road-building etc.
n. Any construction, whether a temporary breastwork or permanent fortification, for attack or defense, the material of which is chiefly earth.