Source : Webster's Revised Unabridged Dictionary (1913)

Curled \Curled\ (k[^u]rld), a.
   Having curls; curly; sinuous; wavy; as, curled maple (maple
   having fibers which take a sinuous course).

   {Curled hair} (Com.), the hair of the manes and tails of
      horses, prepared for upholstery purposes. --McElrath.