Source : Webster's Revised Unabridged Dictionary (1913)

Curly \Curl"y\ (k?rl"?), a.
   Curling or tending to curl; having curls; full of ripples;
   crinkled.

Source : WordNet®

curly
     adj : (of hair) having curls or waves; "they envied her naturally
           curly hair" [ant: {straight}]
     [also: {curliest}, {curlier}]