ghost dance

Short definition from Wiktionary

Noun

1. 1
   One of the dances of the Ghost Dance religion.
2. 2
   Alternative letter-case form of ghost dance.

Proper noun

1. 1
   A 19th-century religious movement, incorporated into numerous Native American belief systems, according to which performing a dance would reunite the living with spirits of the dead and bring prosperity and unity to native peoples.