frontier
I
noun
ambit, border, borderland, bound, boundary, boundary line, circumjacencies, compass, confinium, demarcation line, edge, faubourg, finis, fringe, limit, limitations, line of demarcation, march, outer district, outer edge, outer part, outlines, outlying area, outlying borders, outlying districts, outpost, outskirts, perimeter, periphery, remote district, rim, termination
II
index
border, edge (border), extremity (furthest point), limit, outline (boundary), periphery
Burton's Legal Thesaurus.
William C. Burton.
2006