Rosaceae ro·sa·ceae uncommon noun 1. a large family of dicotyledonous plants of order Rosales; have alternate leaves and five-petaled flowers with numerous stamens Synonymsfamily Rosaceaerose family Related words Broader terms rosid dicot family Parts Rosales Part of Rosagenus AgrimoniaAmelanchierChaenomelesChrysobalanusgenus CotoneasterCrataegusCydonia WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.
