noun

1. A thicket of bushes or other shrubbery, especially one planted as a fence between two portions of land, or to separate the parts of a garden.

   “He trims the hedge once a week.”

2. A barrier (often consisting of a line of persons or objects) to protect someone or something from harm.

3. A mound of earth, stone- or turf-faced, often topped with bushes, used as a fence between any two portions of land.