genus Papaver ge·nus·pa·paver uncommon noun 1. type genus of the Papaveraceae; chiefly bristly hairy herbs with usually showy flowers SynonymsPapavergenus Papaver Related words Broader terms dilleniid dicot genus Parts Papaveraceae Part of Iceland poppywestern poppyprickly poppyoriental poppycorn poppyopium poppy WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.