noun

• (countable) The pear-shaped fruit of a small tree of the rose family, Cydonia oblonga.
• (countable) The deciduous tree bearing such fruit, native to Asia.
• A soft yellow colour, like that of a quince.
• A surname.
• (informal) Clipping of quinceañera. [(chiefly US) The fifteenth birthday and particularly the celebration and ceremony surrounding it for a young Latina woman.]