humpback

[…] the cows stood about with gloomy eyes and hump-backs, surly and dangerous […]

On either side were the high, irregularly sloped mountains, with their foot hills robed in the same bright green as the valley, and with their bald hump-backs and sharp peaks, treeless, verdureless, and desolate […]

[…] 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.