n. 1. A celebration of the fifteenth birthday of a Hispanic or Latina girl, typically including a Roman Catholic Mass and often serving as a social debut. 2. The girl whose birthday is celebrated at a quinceañera. [American Spanish, from Spanish, feminine of quinceañero, fifteen years old : quince, fifteen (from Latin quīndecim; see penkwe in the Appendix of Indo-European roots) + año, year (from Latin annus; see at- in the Appendix of Indo-European roots) + -ero, adj. suff. (from Latin -ārius).] |
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