Is “Hogback” a Scrabble word?
Yes
HOGBACK
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of 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.