Allegheny plum al·leg·he·nyplum uncommon noun 1. wild plum of northeastern United States having dark purple fruits with yellow flesh SynonymsAllegheny plumAlleghany plumsloePrunus alleghaniensis Related words Broader terms wild plum Part of sloe WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.
