corroboree
/kəˈrɒbərɪ/noun
1- an Australian Aboriginal dance ceremony which may take the form of a sacred ritual or an informal gathering（澳洲土著的）歌舞会。
1.1
- chiefly Austral. a party or other social gathering, especially a lively one〈主澳〉聚会; 集会; 狂欢会。
词源
from Dharuk garaabara, denoting a style of dancing.