An Edge or Boundary of a Surface, Land
This page is the CodyCross answer for the clue below from Medieval Times, Group 236, Puzzle 4 (Trebuchet and Catapult).
Question is: An Edge or Boundary of a Surface, Land
and the answer is: BORDER
Word Meaning:
BORDER — The line or frontier area separating political or geographical regions.
Definitions from Wiktionary.