border in WordNet English dictionary

1. lie adjacent to another or share a boundary
   "Canada adjoins the U.S."; "England marches with Scotland"
   border  adjoin  edge  abut  march  butt  butt against  butt on 
   
2. extend on all sides of simultaneously; encircle
   "The forest surrounds my property"
   surround  environ  ring  skirt  border 
   
3. enclose in or as if in a frame
   "frame a picture"
   frame  frame in  border 
   
4. provide with a border or edge
   "edge the tablecloth with embroidery"
   border  edge 
   
5. form the boundary of; be contiguous to
   bound  border 
   

1. a strip forming the outer edge of something
   "the rug had a wide blue border"
   border 
   
2. a decorative recessed or relieved surface on an edge
   molding  moulding  border 
   
3. a line that indicates a boundary
   boundary line  border  borderline  delimitation  mete 
   
4. the boundary of a surface
   edge  border 
   
5. the boundary line or the area immediately inside the boundary
   margin  border  perimeter