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.
source: Webster 1913
verb
cover or drape with crape
Crape the mirror.
source: WordNet 3.0
curl tightly
Crimp hair.
source: WordNet 3.0
To form into ringlets; to curl; to crimp; to friz; as, to crape the hair; to crape silk.