Any of a group of cultivated varieties of apple grown in North America, especially (more fully "Tompkins King apple") a variety bearing a large fruit with red-flushed yellow skin and aromatic yellow flesh.
Origin
Mid 17th century.
Definition of king apple in US English:
king apple
noun
Any of a group of cultivated varieties of apple grown in North America, especially (more fully "Tompkins King apple") a variety bearing a large fruit with red-flushed yellow skin and aromatic yellow flesh.