#chin__mentum  the protruding part of the lower jaw
  supertype:  #lineament__feature  the characteristics parts of a person's face: eyes and nose and mouth and chin; "an expression of pleasure crossed his features"; "his lineaments were very regular"
  part of:  #human_face
  part:  #goatee  a small chin beard trimmed into a point; named for its resemblance to a goat's beard

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