The fruit and its tree. • An edible, fleshy stone fruit of species Prunus domestica (European plum) and Prunus americana American plum, often of a dark red or purple colour. • A stone-fruit tree which bears this fruit, Prunus domestica. • The edible, fleshy stone fruit of several species resembling the plum, or the tree from which they grow. • Prunus sect. Prunus • Prunus cerasifera (cherry plum or myrobalan). • Prunus salicina (Chinese plum or Japanese plum). • Prunus spinosa (sloe). • Prunus ursina (bear's plum). • Prunus sect. Prunocerasus North American plums. • Prunus americana (American plum). • Prunus angustifolia (Chickasaw plum or sand plum). • Prunus hortulana (hortulan plum). • Prunus nigra (Canadian plum or black plum). • Prunus rivularis (creek plum or hog plum). • Prunus subcordata (Klamath plum or Oregon plum). • Prunus sect. Armeniaca (better known as apricots). • Prunus mume, an Asian fruit more closely related to the apricot than the plum, usually consumed pickled, dried, or as a juice or wine; ume. • A dried grape or raisin, as used in a pudding or cake. • Extended senses. • One hundred thousand pounds; (generally) a fortune. • A desirable or choice thing of its kind; a prize selection; a choice appointment, assignment etc. • A dark bluish-red color, the color of some plums. • A testicle. • A fool, an idiot.