Source : Webster's Revised Unabridged Dictionary (1913)

neighbor \neigh"bor\, v. t. [imp. & p. p. {Neighbored}; p. pr. &
   vb. n {Neighboring}.]
   1. To adjoin; to border on; tobe near to.

            Leisurely ascending hills that neighbor the shore.
                                                  --Sandys.

   2. To associate intimately with. [Obs.] --Shak.