Quinceañera is the Spanish word commonly used for a girl celebrating her fifteenth birthday.
The word can refer to the celebrant and, in English usage, often refers to the celebration itself. Its spelling includes the ñ, a letter that represents a distinct sound in Spanish. The masculine counterpart, quinceañero, is used for a boy in related celebrations.
The word is connected to quince años, meaning “fifteen years.” In many English-speaking communities, quinceañera has become the familiar term even when the event includes bilingual music, invitations, or speeches.
It is not simply a synonym for any birthday girl. The term specifically carries the cultural meaning associated with the fifteenth-birthday tradition and its ceremonial customs.