rose apple

American Heritage® Dictionary of the English Language, Fourth Edition

1. n. A southeast Asian evergreen tree (Syzygium jambos) widely cultivated for its showy flowers and fragrant, cream-yellow, ovoid fruits that are used for jellies and confections.
2. n. The fruit of this plant.

Century Dictionary and Cyclopedia

1. n. An East Indian tree, Eugenia Jambos, widely cultivated in the tropics, beautiful in flower, foliage, and fruit. The fruit is of the size of a hen's egg, heavily rose-scented, only moderately palatable, wanting juice. Related species are to some extent included under the name. Also jam-rosade and Malabar plum.
2. In Australia, the sweet plum, Rancooria cerasifera. See Owenia, 1.

GNU Webster's 1913

1. n. (Bot.) the fruit of the tropical myrtaceous tree Eugenia Jambos. It is an edible berry an inch or more in diameter, and is said to have a very strong roselike perfume.

WordNet 3.0

1. n. tropical tree of the East Indies cultivated for its edible fruit
2. n. fragrant oval yellowish tropical fruit used in jellies and confections