Definition of "wild apple" [wild apple]

• Any of numerous wild apple trees usually with small acidic fruit (noun)

WordNet. Princeton University. 2010.

• "I could hear the buzzing of bees, attracted by the trilliums and hepaticas growing at the end of my yard and the pink buds of the single wild apple tree that marked the start of my driveway."
• "There are fine apple orchards all over the city, as well as the wild apple woods on the slopes of the Alatau Mountains that rise like a wall behind it."
• "In the course of that journey, Juniper has discovered, the wild apple of the Tien Shan, Malus sieversus, evolved into the domestic apple, Malus domesticus, and eventually found its way to Britain with the Romans."