Any tree that bears apples, principally Malus domestica but also certain wild species.(noun)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "apple tree" in a sentence
"Petals were falling from the apple tree just outside."
"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."
"Sighing, she poured some perfumed water into it and then dropped a few petals from the blooming branch of apple tree that Madame Rallay had brought in."