Landmark
a boundary line indicated by a stone, stake, etc. (Deut. 19:14;
27:17; Prov. 22:28; 23:10; Job 24:2). Landmarks could not be
removed without incurring the severe displeasure of God.
Bibliography Information Easton, Matthew George. M.A., D.D., "Definition for 'Landmark' Eastons Bible Dictionary". bible-history.com - Eastons; 1897.