quince /kwɪns/ noun4 •The pear-shaped fruit of a small tree of the rose family, Cydonia oblonga. •The deciduous tree bearing such fruit, native to Asia. •(informal) Clipping of quinceañera.These days many young Latinxs have chosen to sport trendier dresses rather than ball gowns, combine quince traditions with a sweet sixteen party, or even go on a quince cruise. — 2019 •A soft yellow colour, like that of a quince. formsquinces