n.
1.a line that indicates a boundary
2.the boundary line or the area immediately inside the boundary
3.the boundary of a surface
4.a decorative recessed or relieved surface on an edge
5.a strip forming the outer edge of something border v.
1.extend on all sides of simultaneously
2.form the boundary of
3.enclose in or as if in a frame
4.provide with a border or edge
5.lie adjacent to another or share a boundary