'Cancan' definitions:

Definition of 'cancan'

(from WordNet)
noun
A high-kicking dance of French origin performed by a female chorus line

Definition of 'Cancan'

From: GCIDE
  • Cancan \Can"can\, n. [F.] A rollicking French dance, accompanied by indecorous or extravagant postures and gestures. [1913 Webster]