GNU Collaborative International Dictionary of English

Found one definition 

  1.       

    Gnome , n. [F. gnome, prob. fr. Gr. γνώμον one that knows, a guardian, i. e., of the treasures in the inner parts of the earth, or fr.  intelligence, both fr. γνῶναι, γιγνῶσκειν, to know. See Know.]
    1. An imaginary being, supposed by the Rosicrucians to inhabit the inner parts of the earth, and to be the guardian of mines, quarries, etc.
      1913 Webster
    2. A dwarf; a goblin; a person of small stature or misshapen features, or of strange appearance.
      1913 Webster
    3. (Zool.) A small owl (Glaucidium gnoma) of the Western United States.
      1913 Webster
    4. [Gr. .] A brief reflection or maxim.
      Peacham.