1 the fruit of a tree of the genus Malus, rounded in form and with a crisp flesh.
2 the tree bearing this.
Phrases and idioms:
apple of one's eye a cherished person or thing. apple-pie bed a bed made (as a joke) with the sheets folded short, so that the legs cannot be accommodated. apple-pie order perfect order; extreme neatness. she's apple Austral. sl. everything is fine. upset the apple-cart spoil careful plans.
Etymology: OE aeligppel f. Gmc
Useful english dictionary. 2012.