- the usually round, red or yellow, edible fruit of a small tree, Malus sylvestris, of the rose family.
- the tree, cultivated in most temperate regions.
- the fruit of any of certain other species of tree of the same genus.
- any of these trees.
- any of various other similar fruits, or fruitlike products or plants, as the custard apple, love apple, May apple, or oak apple.
- anything resembling an apple in size and shape, as a ball, especially a baseball.
- an ineffectively bowled ball.
- a red capsule containing a barbiturate, especially secobarbital.
- a rosaceous tree, Malus sieversii, native to Central Asia but widely cultivated in temperate regions in many varieties, having pink or white fragrant flowers and firm rounded edible fruits
- the fruit of this tree, having red, yellow, or green skin and crisp whitish flesh
- the wood of this tree
- any of several unrelated trees that have fruits similar to the apple, such as the custard apple, sugar apple, and May apple
- a person or thing that is very precious or much loved
- a person with a corrupting influence
