Source : Webster's Revised Unabridged Dictionary (1913)

Dwarf \Dwarf\, n.; pl. {Dwarfs}. [OE. dwergh, dwerf, dwarf, AS.
   dweorg, dweorh; akin to D. dwerg, MHG. twerc, G. zwerg, Icel.
   dvergr, Sw. & Dan. dverg; of unknown origin.]
   An animal or plant which is much below the ordinary size of
   its species or kind; especially, a diminutive human being.

   Note: During the Middle Ages dwarfs as well as fools shared
         the favor of courts and the nobility.

   Note: Dwarf is used adjectively in reference to anything much
         below the usual or normal size; as, dwarf tree; dwarf
         honeysuckle.

   {Dwarf elder} (Bot.), danewort.

   {Dwarf wall} (Arch.), a low wall, not as high as the story of
      a building, often used as a garden wall or fence. --Gwilt.