Definify.com

Webster 1913 Edition

Noun.

A row of shrubs, or trees, planted for inclosure or separation of fields.

hedgerow

elms and hillocks green.

Milton.

Noun.

A row or series of shrubs or trees planted for inclosure, or separation of fields.

hedgerow ‎(plural hedgerows)

a row of closely planted bushes or trees forming a hedge
- 1971, Led Zeppelin - Stairway to Heaven
  If theres a bustle in your hedgerow, don't be alarmed now, it's just a spring clean for the may queen
- 1919, Ronald Firbank, Valmouth, Duckworth, hardback edition, page 91
  He had a suit of summer mufti, and a broad-brimmed blue beaver hat looped with leaves broken from the hedgerows in the lanes, and a Leander scarf tucked full of flowers: loosestrife, meadowrue, orchis, ragged-robin.

a row of closely planted bushes or trees forming a hedge