Legal Term for a Boundary Between Two Areas

This page is the CodyCross answer for the clue below from Mesopotamia, Group 970, Puzzle 1 (Astronomy and Astrology).

Question is: Legal Term for a Boundary Between Two Areas

and the answer is: ABUTTAL

Word Meaning:

ABUTTAL — (rare, plural only) The butting or boundary of land, particularly at the end; buttals.

Definitions from Wiktionary.