QuotePrune
1 †a The fruit of the plum-tree; a plum; also, the tree, Prunus domestica. Obs[olete]. (exc[ept]. as in c. and 2).
†b damask prune = damson: see damask 2.
c U.S. A variety of plum suitable for drying.
2 The dried fruit of several varieties of the common plum-tree, produced in France, Germany, Southern Europe, California, etc., and largely used for eating, raw or stewed; a dried plum. Formerly distinguished as dry prune.
(The finest kind imported from France are also called French plums.)
OED
† = Obsolete
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