Source : Webster's Revised Unabridged Dictionary (1913)

Hedgerow \Hedge"row`\, n.
   A row of shrubs, or trees, planted for inclosure or
   separation of fields.

         By hedgerow elms and hillocks green.     --Milton.

Source : WordNet®

hedgerow
     n : a fence formed by a row of closely planted shrubs or bushes
         [syn: {hedge}]