The Collaborative International Dictionary of English v.0.48:

Curl \Curl\ (k[^u]rl), v. t. [imp. & p. p. Curled (k[^u]rld);
   p. pr. & vb. n. Curling.] [Akin to D. krullen, Dan.
   kr["o]lle, dial. Sw. krulla to curl, crisp; possibly akin to
   E. crook. Cf. Curl, n., Cruller.]
   1. To twist or form into ringlets; to crisp, as the hair.
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            But curl their locks with bodkins and with braid.
                                                  --Cascoigne.
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   2. To twist or make onto coils, as a serpent's body.
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            Of his tortuous train,
            Curled many a wanton wreath in sight of Eve.
                                                  --Milton.
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   3. To deck with, or as with, curls; to ornament.
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            Thicker than the snaky locks
            That curledMeg[ae]ra.                 --Milton.
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            Curling with metaphors a plain intention. --Herbert.
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   4. To raise in waves or undulations; to ripple.
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            Seas would be pools without the brushing air
            To curl the waves.                    --Dryden.
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   5. (Hat Making) To shape (the brim) into a curve.
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The Collaborative International Dictionary of English v.0.48:

Curled \Curled\ (k[^u]rld), a.
   Having curls; curly; sinuous; wavy; as, curled maple (maple
   having fibers which take a sinuous course).
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   Curled hair (Com.), the hair of the manes and tails of
      horses, prepared for upholstery purposes. --McElrath.
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WordNet (r) 3.0 (2006):

curled
    adj 1: of hair having curls [syn: curled, curling]