humpback meaning and definition

HUMPBACK noun

Definition of humpback (noun)

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