Noun
An upward curve or very obtuse angle in the upper surface of any member, as of a timber laid horizontally; -- the opposite of camber.
See Hogframe.
A ridge formed by tilted strata; hence, any ridge with a sharp summit, and steeply sloping sides.
Source: Webster's dictionaryDeputies responded to 4145 Hogback Hill Road in the Town of Palmyra, the CSX railroad tracks, to find a dark colored four door sedan, which had been struck by a train, laying on the railroad tracks. Source: Internet