bachelorette party
noun [ C ] US uk/bætʃ.əl.əˈret ˌpɑː.ti/ us/bætʃ.əl.əˈret ˌpɑːr.t̬i/
（婚礼前夕为新娘举行，只有女性朋友参加的）告别单身聚会
a party for a woman who is going to get married, to which only her female friends are invited
Compare: bachelor partyhen night