The Spanish word for the girl whose fifteenth birthday is being celebrated is quinceañera.
Quinceañera is the feminine Spanish term traditionally used for the celebrant at a fifteenth-birthday ceremony. In English, the same word is also widely used for the event itself, which can make its meaning depend on context. A sentence about “the quinceañera” may refer to the young woman or to the party.
The word is derived from quince, meaning 15, and relates to quince años, the phrase for the fifteenth-birthday celebration. It is not the title of a bride, although the formal dress and ceremonial structure can sometimes resemble wedding customs.
Usage changes across communities. English speakers may shorten the event to “quince,” while Spanish speakers may distinguish more carefully between the celebrant and the celebration. These linguistic differences are normal and do not alter the tradition’s connection with age 15.