excrescence

excrescence (http://definr.com/excrescence)

     n 1: something that bulges out or is protuberant or projects from
          a form [syn: bulge, bump, hump, gibbosity, gibbousness,
           jut, prominence, protuberance, protrusion, extrusion]
     2: an abnormal outgrowth or enlargement of some part of the
        body