noun
protuberance, mound, bump, swelling, camel hump, humpback, hunchback, hummock, protrusion, elevation, convexity, knob, knap, convexedness, excrescence, prominence, knurl, monticle, eminence, boss, projection, swell, hunch, barrow, gibbosity, lump, dune, tumescence, kopje; see also bulge, hill.