a long, narrow, and deep depression in the ground steep sides, often with steps cut into them a flat bottom or floor dirt or mud walls may have a ledge or lip at the top may have a system of tunnels, drainage ditches, or covered pathways
trench which is a long, narrow, and deep depression in the ground trench which has steep sides, often with steps cut into them trench which is a flat bottom or floor trench which has dirt or mud walls trench which may have a ledge or lip at the top trench which may have a system of tunnels, drainage ditches, or covered pathways