a protracted ridge of sand, gravel, and boulders, in a half-stratified problem.
The back of a horse, specifically that part of the back where the driver sits: made use of generally speaking when you look at the phrase on horseback, usually abbreviated to horseback, and utilized adverbially.
a reduced and somewhat razor-sharp ridge of sand or gravel; also, however typically, a ridge of stone which rises for a short length with a sharp advantage: a standard term in brand new England, particularly in Maine. Also known as hogback, hog's back, and boar's-back. These types of ridges are known as by Scotch geologists kames, by the Irish eskars.