hogback

Noun

 * 1)  A sharp steep-sided ridge formed by the erosion of tilting strata,
 * 2) A hogframe.
 * 3) A Viking grave marker taking the form of a recumbent monument, generally with a curved (hogbacked) ridge and outwardly curved sides.
 * 1) A Viking grave marker taking the form of a recumbent monument, generally with a curved (hogbacked) ridge and outwardly curved sides.