Pediocactus pe·dio·cac·tus uncommon noun 1. low-growing cacti of the Great Plains of North America Synonymsgenus Pediocactus Related words Word family Pediocactus knowltonii Broader terms caryophylloid dicot genus Parts Cactaceae Part of Knowlton's cactus WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.
