humpback /ˈhʌmpbæk/noun 6verb 1forms 3 noun6 •A humped back (deformity in humans caused by abnormal curvature of the upper spine).In the Male Line, there happened an unlucky Accident in the Reign of Richard the Third; the eldest Son of Philip, then Chief of the Family, being born with an Hump-back and very high Nose. — 1709 •A humpback whale. •A hump or protuberance on the shoulders or back of an animal.[…] the cows stood about with gloomy eyes and hump-backs, surly and dangerous […] — 1902 •(figurative) A rounded topographical feature, such as a mountain or hill.The Goons kept appearing and disappearing in different places, always closer to them, as they worked their way over the humpback of the terrain. — 1968 •(offensive) A person with a humpback; a person who suffers from kyphosis.[…] Tom’s more specific and kindly impressions gradually melted into the old background of suspicion and dislike toward him as a queer fellow, a humpback, and the son of a rogue. — 1860 •A humpback salmon. verb1 •To hunt humpback whales.The captain of the James Rodgers […] was an old hand at humpbacking […] — 1895 formshumpbacked · humpbacking · humpbacks