A traditional quinceañera marks a girl’s 15th birthday, an age represented by the Spanish word quince, meaning “fifteen.” The celebration is also called a quince años or fiesta de quince años.
The event recognizes a transition from childhood toward young womanhood. Customs vary by country and family, but a formal dress, music, dancing, symbolic gifts, and a large gathering are common features. In families that include a religious service, the birthday celebration may be connected with a Catholic Mass or blessing.
A quinceañera is not simply a universal legal ceremony. It is a cultural and family tradition, so families may change the schedule, symbolism, guest list, or religious elements. Some celebrations are elaborate receptions, while others are smaller parties.
The tradition is often compared with a U.S. “sweet sixteen,” but the ages and cultural histories differ. The defining number in a quinceañera is 15, even when the party takes place before or after the exact birthday.