How to sign: the boundary line or the area immediately inside the boundary
Similiar / Same: margin, perimeter
Categories: bound, boundary, edge
How to sign: a line that indicates a boundary
Similiar / Same: boundary line, borderline, delimitation, mete
Categories: bound, boundary, bounds
Within this category: fence line, Green Line, Line of Control, property line, state line
How to sign: lie adjacent to another or share a boundary
"Canada adjoins the U.S."; "England marches with Scotland";
Similiar / Same: adjoin, abut, butt, butt against, butt on, edge, march
Categories: adjoin, contact, meet, touch
Within this category: neighbor