- a back that is humped in a convex position.
- kyphosis.
- the humpback whale.
- another word for hunchback
- a large whalebone whale, Megaptera novaeangliae, closely related and similar to the rorquals but with a humped back and long flippers: family Balaenopteridae
- a Pacific salmon, Oncorhynchus gorbuscha, the male of which has a humped back and hooked jaws
- a road bridge having a sharp incline and decline and usually a narrow roadway
