noun (n)

• a legendary creature resembling a tiny old man; lives in the depths of the earth and guards buried treasure(noun.person)

  Synonym:
  dwarf
  

  source: wordnet30
• a short pithy saying expressing a general truth(noun.communication)

  source: wordnet30
• An imaginary being, supposed by the Rosicrucians to inhabit the inner parts of the earth, and to be the guardian of mines, quarries, etc.(noun)

  source: webster1913