bourrelet--prophetes.ai

‖ bourrelet
  (burəle)
  [Fr.: also adopted in forms bourlet, burlet.]
  A ridge-like excrescence.

1859 Todd Cycl. Anat. & Phys. V. 477/2 The ridge or ‘bourrelet’ at the upper margin of the wall answers to the posterior nail-wall.

Oxford English Dictionary