Available Definitions:
1) a. - Incapable of producing offspring; producing no young; sterile; -- said of women and female animals.
2) a. - Not producing vegetation, or useful vegetation; /rile.
3) a. - Unproductive; fruitless; unprofitable; empty.
4) a. - Mentally dull; stupid.
5) n. - A tract of barren land.
6) n. - Elevated lands or plains on which grow small trees, but not timber; as, pine barrens; oak barrens. They are not necessarily sterile, and are often fertile.