a girl who is chosen to have a special title and position at a prom (= a formal party held for older high school students at the end of the school year)
She was a high school prom queen who became a successful businesswoman.她高中时曾是舞会王后，后来成为一个成功的女商人。
更多例句
All kinds of kids should be recognized in schools, not just athletes and prom queens.
She is a typical prom queen: popular, good grades, cheerleader.
Her prom queen photo appeared in the newspaper.
Carolyn is the most unlikely girl to ever turn into a prom queen.