Definitions

1. noun

A person with a hump or curvature of the spine, especially a king or noble with a congenital deformity of this kind, often used as a term of contempt.

“The medieval chronicler described the king as a cruel and oppressive ruler, a true crookback.”

2. noun

A curved or bent part of something, such as a path or a piece of wood.

“The crookback of the old wooden bridge was a hazard for drivers.”