protuberance

详细解释:n. 突起, 隆起物
【医】 隆凸

英语解释：

名词 protuberance:

something that bulges out or is protuberant or projects from its surroundings同义词：bulge, bump, hump, gibbosity, gibbousness, jut, prominence, protrusion, extrusion, excrescence