Dictionary definition · border
noun
- a line that indicates a boundary
- the boundary line or the area immediately inside the boundary
- the boundary of a surface
- a decorative recessed or relieved surface on an edge
- a strip forming the outer edge of something"the rug had a wide blue border"
verb
- extend on all sides of simultaneously; encircle"The forest surrounds my property"
- form the boundary of; be contiguous to
- enclose in or as if in a frame"frame a picture"
- provide with a border or edge"edge the tablecloth with embroidery"
- lie adjacent to another or share a boundary"Canada adjoins the U.S."
Source: Open English WordNet (CC BY 4.0).