a line or series of lines separating two areas or countries a physical barrier such as a fence, wall, or hedge a natural or man-made demarcation a visible mark on the ground or in the sky signs or symbols indicating boundaries a visible difference in the landscape between two areas
border which is a line or series of lines separating two areas or countries border which is a physical barrier such as a fence, wall, or hedge border which is a natural or man-made demarcation border which is a visible mark on the ground or in the sky border which has signs or symbols indicating boundaries border which is a visible difference in the landscape between two areas