ˈ ̷ ̷ˌ ̷ ̷ noun
1. : an arched back suggesting that of a hog
most of the sunfishes have hogbacks
2. : something felt to resemble the back of a hog in outline or section: as
a. : a ridge of land formed by the outcropping edges of tilted strata ; broadly : a ridge with a sharp summit and steeply sloping sides
b. : a sharp rise in the floor of a coal mine
c. : hogframe