apophysis

/ษ™หˆpษ’fษชsษชs/
noun
  1. 1

    A natural outgrowth, swelling or enlargement, usually of an organism; A protuberance on a bone.

  2. 2

    The external part of a cone scale.

  3. 3

    A branch of a dike or vein.

Source: https://en.wiktionary.org/wiki/apophysis