<p><strong>Noun</strong></p><ul><li>a rounded protuberance, especially a fleshy protuberance on the back, as that due to abnormal curvature of the spine in humans, or that normally present in certain animals, as the camel or bison.</li><li>Physical Geography. a low, rounded rise of ground; hummock.</li><li>a mountain or mountain range.</li><li>Railroads. (in a switchyard) a raised area down which cars pushed to its crest roll by gravity and momentum for automatic sorting through a series of preset switches.</li><li>Slang: Vulgar. an act or instance of sexual intercourse.</li><li>a partner in sexual intercourse.</li><li>the hump, British Slang. a fit of depression or bad humor: to get the hump.</li><li>(initial capital letter) (in World War II) the Himalayas.</li></ul><p><strong>Verb</strong></p><ul><li>(used with object) to raise (the back) in a hump; hunch: The cat humped its back.</li><li>Railroads. to sort (cars) by means of a hump.</li><li>Informal. to exert (oneself) in a great effort.</li><li>Slang: Vulgar. to have sexual intercourse with.</li><li>Slang. to place or bear on the back or shoulder.</li><li>to carry or haul.</li><li>to load or unload; lift.</li><li>(used without object) to rise in a hump.</li><li>Informal. to exert oneself; hustle or hurry.</li><li>Slang: Vulgar. to engage in sexual intercourse.</li></ul>