Hogback: A mountain ridge that slopes sharply on each side and often has jutting rocks, resembling the high narrow back of a wild hog.
He liked to run his beagles through the hogback.
Hey I knew this one! Of course I always suspected that I was at least part hillbilly considering the part of the country I spent most of my childhood in:)
Glad you explained it Karen – left to myself I would have come to a different interpretation