Having a hunch or protuberance on the back; hunched; humpbacked; crookbacked.
Specifically Swelling by a regular curve; convex, as the moon is when more than half and less than full, the illuminated part being then convex on both margins.
In botany, having a rounded protuberance at the side or base.
In zoology, convex but not regularly rounded; somewhat irregularly raised or swollen; protuberant; humped; gibbose.