The Collaborative International Dictionary of English v.0.48:

Gigue \Gigue\ (zh[-e]g), n. [F.]
   A piece of lively dance music, in two strains which are
   repeated; also, the dance.
   [Webster 1913 Suppl.]

WordNet (r) 3.0 (2006):

gigue
    n 1: music in three-four time for dancing a jig [syn: jig,
         gigue]