The Collaborative International Dictionary of English v.0.48:

Crape \Crape\ (kr[=a]p), n. [F. cr[^e]pe, fr. L. crispus curled,
   crisped. See Crisp.]
   A thin, crimped stuff, made of raw silk gummed and twisted on
   the mill. Black crape is much used for mourning garments,
   also for the dress of some clergymen.
   [1913 Webster]

         A saint in crape is twice a saint in lawn. --Pope.
   [1913 Webster]

   Crape myrtle (Bot.), a very ornamental shrub
      (Lagerstroemia Indica) from the East Indies, often
      planted in the Southern United States. Its foliage is like
      that of the myrtle, and the flower has wavy crisped
      petals.

   Oriental crape. See Canton crape.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Crape \Crape\, v. t. [imp. & p. p. Craped (kr[=a]pt); p. pr. &
   vb. n. Craping.] [F. cr[^e]per, fr. L. crispare to curl,
   crisp, fr. crispus. See Crape, n.]
   To form into ringlets; to curl; to crimp; to friz; as, to
   crape the hair; to crape silk.
   [1913 Webster]

         The hour for curling and craping the hair. --Mad.
                                                  D'Arblay.
   [1913 Webster]

WordNet (r) 3.0 (2006):

crape
    n 1: small very thin pancake [syn: crape, crepe, French
         pancake]
    2: a soft thin light fabric with a crinkled surface [syn:
       crepe, crape]
    v 1: cover or drape with crape; "crape the mirror" [syn:
         crape, crepe]
    2: curl tightly; "crimp hair" [syn: crimp, crape, frizzle,
       frizz, kink up, kink]