WordWeb Online

1. An abnormal backward curve to the vertebral column
   - kyphosis, hunchback
    
2. A person whose back is hunched because of abnormal curvature of the upper spine
   - hunchback, crookback
    
3. Large whalebone whale with long flippers noted for arching or humping its back as it dives
   - humpback whale, Megaptera novaeangliae

Derived forms: humpbacks

Type of: baleen whale, cripple, spinal curvature, whalebone whale

Part of: genus Megaptera, Megaptera

Encyclopedia: Humpback