- To demark is defined as to set the limits of something or to distinguish among things to divide them up.
When you set a boundary beyond which your child cannot cross, this is an example of a time when you demark the boundary.
Variant of demarcate
transitive verb demarcated, demarcating
- to set or mark the limits of; delimit
- to mark the difference between; distinguish; separate
Origin: back-formation ; from demarcation