demarcation

The act of marking off a boundary or setting a limit, notably by belligerents signing a treaty or ceasefire.countableuncountable

A limit thus fixed, in full demarcation line.countableuncountable

• About sunset, he was leaning on the remains of an old wall, which had once probably surrounded a Roman encampment, and now served as a line of demarcation between two villages, as jealous of each other's claims as near neighbours usually ar

Any strictly defined separation.countableuncountable

• There is an alleged, in fact somewhat artificial demarcation in the type of work done by members of different trade unions.