potato bean po·ta·to·bean uncommon noun 1. twining plant of Amazon basin having large edible roots Synonymsyam beanpotato beanPachyrhizus tuberosus 2. a North American vine with fragrant blossoms and edible tubers; important food crop of Native Americans Synonymsgroundnutgroundnut vineIndian potatopotato beanwild beanApios americanaApios tuberosa 3. nutlike tuber; important food of Native Americans Synonymsgroundnutpotato beanwild bean Related words Broader terms tubervine Parts groundnutApiosPachyrhizus Part of groundnut WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.
