prosopon

/P R AA1 S AH0 P AA1 N/
noun
  1. 1

    (historical, Ancient Greek theatre) A mask worn by an actor to indicate the character being played.

  2. 2

    (theology) The self-manifestation of an individual.

  3. 3

    (zoology) A variety of small-scale structures in trilobites, such as ribbing, domes, and perforations.