(1):
(n.) A tract of barren land.
(2):
(a.) Incapable of producing offspring; producing no young; sterile; - said of women and female animals.
(3):
(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.
(4):
(a.) Mentally dull; stupid.
(5):
(a.) Not producing vegetation, or useful vegetation; /rile.
(6):
(a.) Unproductive; fruitless; unprofitable; empty.