noun (n)

• something that bulges out or is protuberant or projects from its surroundings(noun.shape)

  Synonym:
  bulge, bump, excrescence, extrusion, gibbosity, gibbousness, hump, jut, prominence, protuberance, swelling
  

  source: wordnet30
• the act of projecting out from something(noun.act)

  Synonym:
  jut, jutting, projection
  

  source: wordnet30
• The act of protruding or thrusting forward, or beyond the usual limit.(noun)

  source: webster1913