terminus

noun3

1. •
   The end or final point of something.

   • The river reached its terminus at the wide delta near the sea.
2. •
   The end point of a transportation system, or the town or city in which it is located.

   • My brother supposes they must have filled outside London, for at that time the furious terror of the people had rendered the central termini impossible. — 1898
3. •
   (no longer used) A boundary or border, or a post or stone marking such a boundary.

   • A bronz statue marked the terminus of the king's dominion.