hen night
noun [ C ] UK uk/ˈhen ˌnaɪt/ us/ˈhen ˌnaɪt/ (also hen party, /ˈhen ˌpɑː.ti/ /ˈhen ˌpɑːr.t̬i/); (also informal hen do, /ˈhen ˌduː/ /ˈhen ˌduː/)
女性婚前庆祝会
a party for a woman who is going to get married, to which only her female friends are invited
Compare: stag night/party