purple ground cherry purp·leg·roundc·herry uncommon noun 1. Mexican annual naturalized in eastern North America having yellow to purple edible fruit resembling small tomatoes Synonymstomatillomiltomatepurple ground cherryjamberryPhysalis philadelphica 2. annual of tropical South America having edible purple fruits Synonymscape gooseberrypurple ground cherryPhysalis peruviana Related words Broader terms ground cherry Parts Physalis WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.