Definition of Java plum in English:

Java plum

noun

  • The South Asian tree Syzygium cumini (family Myrtaceae), cultivated for its fruit and as a shade tree; (also) the edible, dark crimson fruit produced by this tree; also called jambo, jambolan.

Origin

Early 19th century; earliest use found in John Loudon (1783–1843), landscape gardener and horticultural writer.