alderleaf Juneberry al·der·leaf·juneberry uncommon noun 1. shrub or small tree of northwestern North America having fragrant creamy white flowers and small waxy purple-red fruits Synonymsalderleaf Juneberryalder-leaved serviceberryAmelanchier alnifolia Related words Broader terms Juneberry WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.