Definition of: apple

(ap′əl) noun
1. The fleshy edible fruit or pome of any variety of a widely distributed tree (Malus malus) of the rose family, usually of a roundish or conical shape with a depression at each end.
2. The similar fruit of several allied species of Malus, as M. prunifolia and M. baccata, the Siberian crab apple, and M. coronaria, the American crab apple.
3. A tree of any one of the species bearing apples as its natural fruit.
4. One of several fruits or plants with little or no resemblance to the apple: May apple, love apple, oak apple, etc.
5. In the Bible, the apple proper; also, a citron, apricot, pear, quince, or other fruit. [ OE œppel]