Definition of "gnome"
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/nəʊm/
noun
plural gnomes
(mythology, fantasy) One of a race of imaginary human-like beings, usually depicted as short and typically bearded males, who inhabit the inner parts of the earth and act as guardians of mines, mineral treasure, etc.; in modern fantasy literature and games, when distinguished from dwarves, gnomes are usually even smaller than dwarves and more focussed on engineering than mining.
(astronomy, meteorology) An upper atmospheric optical phenomenon associated with thunderstorms, a compact blue starter.
(often derogatory) A banker, especially a secretive international one.