apple

noun

1. 1

   A common, firm, round fruit produced by a tree of the genus Malus.

   custard apple rose apple thorn apple

   apple:

   He's only three apples tall

2. 2

   The fruit of the tree Malus domestica, chiefly with a green, red, or yellow skin, cultivated in temperate climates for cidermaking, cooking, and eating. .mw-parser-output .defdate{font-size:smaller}

3. 3

   Often with a qualifying word: any fruit or vegetable, or any other thing (such as a cone or gall) produced by a plant, especially if from a tree and similar to the fruit of Malus domestica (noun sense 1.1).

   custard apple rose apple thorn apple

4. 4

   Something which resembles the fruit of Malus domestica (noun sense 1.1) in shape (such as a ball, breast, or globe) or colour. Ellipsis of Adam's apple (“the lump in the throat, usually more noticeable in men than in women; the laryngeal prominence”). Ellipsis of apple-green (“a bright green colour with a light tint of yellow, like that of a Granny Smith apple”).

   apple:

5. 5

   Ellipsis of Adam's apple (“the lump in the throat, usually more noticeable in men than in women; the laryngeal prominence”).

6. 6

   Ellipsis of apple-green (“a bright green colour with a light tint of yellow, like that of a Granny Smith apple”).

   apple:

7. 7

   Ellipsis of apple of the eye (“the pupil, or pupil and iris, of the eye, originally believed to be spherical; also, the eyeball”).

8. 8

   The round, fleshy part of a cheek between the eye and the corner of the mouth when a person is smiling.

9. 9

   The surface of revolution of a circular arc of an angle greater than 180° rotated about the straight line passing through the arc's two endpoints.

10. 10

    In full apple bowl: a round bowl of a tobacco pipe; also, a tobacco pipe with such a bowl.

11. 11

    In full old apple: a baseball.

12. 12

    According to postbiblical Christian tradition, the fruit of the tree of knowledge which was eaten by Adam and Eve despite God commanding them not to do so; the forbidden fruit.