| horizon(noun, outline, edge, border, frontier) |
| ledge(noun, outline, edge, border, frontier) |
| limb(noun, outline, edge, border, frontier) |
| limits(noun, outline, edge, border, frontier) |
| line of demarcation(expression, outline, edge, border, frontier) |
| march(noun, outline, edge, border, frontier) |
| mark(noun, outline, edge, border, frontier) |
| mere(noun, outline, edge, border, frontier) |
| mete(noun, outline, edge, border, frontier) |
| molding(noun, outline, edge, border, frontier) |
| mouth(noun, outline, edge, border, frontier) |
| outline(noun, edge, border, frontier, brick) |
| outpost(noun, outline, edge, border, frontier) |
| outskirt(noun, outline, edge, border, frontier) |
| pale(noun, outline, edge, border, frontier) |
| portal(noun, outline, edge, border, frontier) |
| precinct(noun, outline, edge, border, frontier) |
| purlieus(noun, outline, edge, border, frontier) |
| radius(noun, outline, edge, border, frontier) |
| ring(noun, outline, edge, border, frontier) |