The Collaborative International Dictionary of English v.0.48:

Crinkled \Crin"kled\ (kr?n"k'ld), a.
   Having short bends, turns, or wrinkles; wrinkled; wavy;
   zigzag. "The crinkled lightning." --Lowell.
   [1913 Webster] crinkle root

The Collaborative International Dictionary of English v.0.48:

Crinkle \Crin"kle\ (kr[i^][ng]"k'l), v. t. [imp. & p. p.
   Crinkled (-k'ld); p. pr. & vb. n. Crinkling (-kl[i^]ng).]
   [A dim., fr. the root of cringe; akin to D. krinkelen to wind
   or twist. Cf. Cringle, Cringe.]
   To form with short turns, bends, or wrinkles; to mold into
   inequalities or sinuosities; to cause to wrinkle or curl.
   [1913 Webster]

         The house?s crinkled to and fro.         --Chaucer.
   [1913 Webster]

         Her face all bowsy,
         Comely crinkled,
         Wondrously wrinkled.                     --Skelton.
   [1913 Webster]

         The flames through all the casements pushing forth,
         Like red-not devils crinkled into snakes. --Mrs.
                                                  Browning.
   [1913 Webster]

WordNet (r) 3.0 (2006):

crinkled
    adj 1: uneven by virtue of having wrinkles or waves [syn:
           crinkled, crinkly, rippled, wavy, wavelike]