CORROBOREE
Etymology
Noun
corroboree (plural corroborees)
A nocturnal dance held by Australian Aborigines, for social, celebratory or warlike purposes.
A song or chant made for such a festivity.
Any noisy, late-night gathering or disturbance.
Source: Wiktionary
Cor*rob"o*ree`, n. [Also corrobboree, corrobori, etc.] [Native name.]
1. A nocturnal festivity with which the Australian aborigines
celebrate tribal events of importance. Symbolic dances are given by
the young men of the tribe, while the women act as musicians.
2. A song or chant made for such a festivity.
3. A festivity or social gathering, esp. one of a noisy or
uproarious character; hence, tumult; uproar. [Australia]
Source: Webster’s Unabridged Dictionary 1913 Edition