- A shrub or small tree <em>(Cydonia oblonga)</em> in the rose family, native to western Asia, having white or pink flowers and hard yellow pear-shaped fruit.
- The aromatic, many-seeded fruit of this plant, usually used for jelly or in cooked dishes.
- The fruit of the tree <em>Pyrus Cydonia.</em> (See def. 2.)
- The fruit-tree <em>Pyrus Cydonia</em>, sometimes classed as <em>Cydonia vulgaris</em>, the latter genus being based (insufficiently) on the many-seeded cells of the fruit.
- Same as <internalXref urlencoded="quinze">quinze</internalXref>.
- The fruit of a shrub (<spn>Cydonia vulgaris</spn>) belonging to the same tribe as the apple. It somewhat resembles an apple, but differs in having many seeds in each carpel. It has hard flesh of high flavor, but very acid, and is largely used for marmalade, jelly, and preserves.
- a quince tree or shrub.
- an Eastern Asiatic shrub (<spn>Cydonia Japonica</spn>, formerly <spn>Pyrus Japonica</spn>) and its very fragrant but inedible fruit. The shrub has very showy flowers, usually red, but sometimes pink or white, and is much grown for ornament.
- a small gray and yellow curculio (<spn>Conotrachelus cratægi</spn>) whose larva lives in quinces.
- the small tree (<spn>Cydonia vulgaris</spn>) which produces the quince.
- The pear-shaped <xref>fruit</xref> of a small tree of the rose family, <xref>Cydonia oblonga</xref>.
- The <xref>deciduous</xref> <xref>tree</xref> bearing such fruit, native to <xref>Asia</xref>.
- aromatic acid-tasting pear-shaped fruit used in preserves
- small Asian tree with pinkish flowers and pear-shaped fruit; widely cultivated