- bulge, bump, hump, gibbosity, gibbousness, jut, prominence, protuberance, protrusion, extrusion, excrescence - something that bulges out or is protuberant or projects from a form
--1 is a kind of projection
--1 has particulars:frontal eminence; occipital protuberance; belly; caput; mogul; nub, nubble; snag; wart