Source : WordNet®

damson plum
     n 1: tropical American timber tree with dark hard heavy wood and
          small plumlike purple fruit [syn: {satinleaf}, {satin
          leaf}, {caimitillo}, {Chrysophyllum oliviforme}]
     2: plum tree long cultivated for its edible fruit [syn: {damson
        plum tree}, {Prunus domestica insititia}]
     3: sweet dark purple plum [syn: {damson}]