Sorority (noun)

A social organization of female students at a college or university.

Origin:

From the latin word "soror" meaning "sister".

Examples:

1. She pledged to join a sorority during her freshman year of college.
2. The sorority hosted a fundraiser for a local charity.
3. The sorority sisters lived together in a house on campus.
4. She was elected president of her sorority.
5. The sorority organized a community service project to help the homeless.