A physiological disorder affecting the flesh of apples (typically that surrounding the core), resulting in a translucent, water-soaked appearance, and occurring especially in fruit harvested when overmature.
Origin
Mid 19th century.
Definition of water core in US English:
water core
noun
A physiological disorder affecting the flesh of apples (typically that surrounding the core), resulting in a translucent, water-soaked appearance, and occurring especially in fruit harvested when overmature.