noun a grape dried in the sun; a raisin.
2. plum ·noun a handsome fortune or property; formerly, in cant language, the sum of ?100,000 sterling; also, the person possessing it.
3. plum ·noun the edible drupaceous fruit of the prunus domestica, and of several other species of prunus; also, the tree itself, usually called plum tree.
4. plum ·add. ·noun something likened to a plum in desirableness; a good or choice thing of its kind, as among appointments, positions, parts of a book, ·etc.