A "bachelorette trip" refers to a vacation or getaway that is specifically planned for a group of women to celebrate and have fun before one of them gets married. Full definition
And the gospel keeps spreading: My friend, at a daytime pool party on a recent bachelorette trip to Miami, managed to inspire several instantaneous Amazon orders of the stuff, placed by women who were several drinks deep and in awe of the Airbrushed Legs before them. (nymag.com)
When my girlfriend was planning her bachelorette trip to Palm Springs, I knew it would be coming along with me. (aloprofile.com)