genus Pachyrhizus ge·nus·pac·hyrhizus uncommon noun 1. small genus of tropical vines having tuberous roots SynonymsPachyrhizusgenus Pachyrhizus Related words Broader terms rosid dicot genus Parts Papilionoideae Part of yam bean WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.
