Source : Webster's Revised Unabridged Dictionary (1913)

Border \Bor"der\, v. i. [imp. & p. p. {Bordered}; p. pr. & vb.
   n. {Bordering}.]
   1. To touch at the edge or boundary; to be contiguous or
      adjacent; -- with on or upon as, Connecticut borders on
      Massachusetts.

   2. To approach; to come near to; to verge.

            Wit which borders upon profaneness deserves to be
            branded as folly.                     --Abp.
                                                  Tillotson.

Border \Bor"der\, v. t.
   1. To make a border for; to furnish with a border, as for
      ornament; as, to border a garment or a garden.

   2. To be, or to have, contiguous to; to touch, or be touched,
      as by a border; to be, or to have, near the limits or
      boundary; as, the region borders a forest, or is bordered
      on the north by a forest.

            The country is bordered by a broad tract called the
            ``hot region.''                       --Prescott.

            Shebah and Raamah . . . border the sea called the
            Persian gulf.                         --Sir W.
                                                  Raleigh.

   3. To confine within bounds; to limit. [Obs.]

            That nature, which contemns its origin, Can not be
            bordered certain in itself.           --Shak.

Border \Bor"der\, n. [OE. bordure, F. bordure, fr. border to
   border, fr. bord a border; of German origin; cf. MHG. borte
   border, trimming, G. borte trimming, ribbon; akin to E. board
   in sense 8. See {Board}, n., and cf. {Bordure}.]
   1. The outer part or edge of anything, as of a garment, a
      garden, etc.; margin; verge; brink.

            Upon the borders of these solitudes.  --Bentham.

            In the borders of death.              --Barrow.

   2. A boundary; a frontier of a state or of the settled part
      of a country; a frontier district.

   3. A strip or stripe arranged along or near the edge of
      something, as an ornament or finish.

   4. A narrow flower bed.

   {Border land}, land on the frontiers of two adjoining
      countries; debatable land; -- often used figuratively; as,
      the border land of science.

   {The Border}, {The Borders}, specifically, the frontier
      districts of Scotland and England which lie adjacent.

   {Over the border}, across the boundary line or frontier.

   Syn: Edge; verge; brink; margin; brim; rim; boundary;
        confine.

Source : WordNet®

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

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