(1) Aromatic acid-tasting pear-shaped fruit used in preserves
(2) Small Asian tree with pinkish flowers and pear-shaped fruit; widely cultivated
WiktionaryText
Etymology
From Old French cooin (modern coing), from late Latin (malum) cotoneum, a variant of malum Cydonium ‘Cydonian apple’, translating Greek μήλον κυδώνιον.
Noun
The pear-shaped fruit of a small tree of the rose family, Cydonia oblonga.