A prune is a dried fruit of various plum species. Prune may also refer to: Pruning, the practice of removing undesired portions from a plant Prune fingers, the wrinkling of skin after immersion in water Prune Nourry, a French artist working in New York See also Pruning (disambiguation) PPRuNe, an Internet forum for airline pilots etc. in the aviation industry Prune plum, a plum subspecies used for making prunes