Similar Words to Yam Bean:

Pachyrhizus Erosus
Pachyrhizus Tuberosus
Potato Bean

Examples:

1. I mean Shelby's aerated, vacuumized flavor in the bean coffee, which comes in three delicious grinds: Instant perk And drip.
2. He's had an idea in the back of his bean, though.
3. Sometimes he acts like there's something wrong with his bean.

Definitions of Yam bean:

1. Twining plant of Amazon basin having large edible roots
2. Central American twining plant with edible roots and pods; large tubers are eaten raw or cooked especially when young and young pods must be thoroughly cooked; pods and seeds also yield rotenone and oils