bachelorette party

[ bach-luh-ret pahr-tee ]
/ ˌbætʃ ləˈrɛt ˌpɑr ti /

noun

a celebration for a soon-to-be bride organized and attended primarily by female friends, often on the night before or in the days leading up to the wedding, and ranging from a night of drinking to a destination vacation, sometimes including themed activities or entertainment based on sexual innuendo.

Origin of bachelorette party

First recorded in 1940–45