Back-formation from demarcation.
- To mark the limits or boundaries of something; to delimit.
1907, George Curzon, Frontiers:
- Small Committees of officials are frequently appointed in advance to consider the geographical, topographical, and ethnological evidence that is forthcoming, and to construct a tentative line for their respective Governments; this, after much debate, is embodied in a treaty, which provides for the appointment of Commissioners to demarcate the line upon the spot and submit it for ratification by the principals.
- To mark the difference between two causes of action; to distinguish.
mark the limits or boundaries of something
- demarcate in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913
- demarcate in The Century Dictionary, The Century Co., New York, 1911