1. A humpback.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• hucaback,
• huckback,
• huccaback,
• gunchback,
• bunchback,
• nunchback,
• junchback,
• uunchback,
• yunchback,
• hynchback,
• hhnchback,
• hjnchback,
• hinchback,
• h8nchback,
• hunchbsck,
• hunchbak,
• hunshback,
• hunch back,
• hunch-backe,
• Bouncback

• hatchback,
• hunchbacked.

The adjective form of the word "hunchback" is "hunchbacked".

The plural of the "hunchback" can be the "hunchbacks".

The singular of the "hunchback" can be the "hunchback".