razorback

noun

1. a finback or rorqual.
2. a wild or semiwild hog with a ridgelike back, common in the southern U.S.
3. a sharp narrow ridge or range of hills.

adjective

4. Also ra·zor·backed, ra·zor-backed. having a sharp ridge along the back.

noun

1. Also called: finback the common rorqualSee rorqual
2. a semiwild or wild pig of the southeastern US, having a narrow body, long legs, and a ridged back

n.

type of pig with a sharp ridge-like back, 1849, from razor (n.) + back (n.). Especially of feral hogs in the U.S. South. Also used of narrow ridges of land.