Another word for demarcation

Coincident with the demarcation of Russian boundaries in Turkestan was that of northern Afghanistan.

In 1526 he was sent out in command of an expedition fitted out for the purpose of determining by astronomical observations the exact line of demarcation, under the treaty of Tordesillas, between the colonizing spheres of Spain and Portugal, and of conveying settlers to the Moluccas.

Note the sharp line of demarcation between the growth and the tissue in which it is growing.

Justinian has a clearer perception of the demarcation between the spheres of spiritual and temporal law.

In France, till 1329, there seems to have been no clear line of demarcation between secular and ecclesiastical jurisdictions.