1. (

• kyphosis ,
• humpback ,
• hunchback

) an abnormal backward curve to the vertebral column ;

2. (

• humpback ,
• hunchback ,
• crookback

) a person whose back is hunched because of abnormal curvature of the upper spine ;

3. (

• humpback ,
• humpback_whale ,
• Megaptera_novaeangliae

) large whalebone whale with long flippers noted for arching or humping its back as it dives ;