protuberance

(prō to̵̅o̅bər əns, -tyo̵̅o̅-; prə-)

noun

  1. the condition or fact of being protuberant
  2. a part or thing that protrudes; projection; bulge; swelling

See protuberance in American Heritage Dictionary 4

noun
  1. Something, such as a bulge, knob, or swelling, that protrudes.
  2. The condition of being protuberant.

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