[plum] n, often attrib [ME, fr. OE plume, modif. of L prunum plum, fr. Gk proumnon] (bef. 12c) 1 a: any of numerous trees and shrubs (genus Prunus) with globular to oval smooth-skinned fruits that are drupes with oblong seeds b: the edible fruit of a plum
2: any of various trees with edible fruits resembling plums; also: the fruit 3 a: a raisin when used in desserts b: sugarplum
4: something superior or very desirable; esp: something desirable given in return for a favor
5: a dark reddish purple -- plum.like adj