- razorback, razor-backed - having a sharp narrow back; "a razor-backed horse"; "razorback hogs"
Antonym: backless (indirect, via backed)
- razorback, razorback hog, razorbacked hog - a mongrel hog with a thin body and long legs and a ridged back; a wild or semi-wild descendant of improved breeds; found chiefly in the southeastern United States
--1 is a kind of swine
- rorqual, razorback - any of several baleen whales of the family Balaenopteridae having longitudinal grooves on the throat and a small pointed dorsal fin
--2 is a kind of baleen whale, whalebone whale
--2 is a member of Balaenopteridae, family Balaenopteridae
--2 has particulars:finback, finback whale, fin whale, common rorqual, Balaenoptera physalus; sei whale, Balaenoptera borealis; lesser rorqual, piked whale, minke whale, Balaenoptera acutorostrata