a·mo·le 
(ə-mōlē)
(ə-mōlē)n.
1. The root, bulb, or another plant part of several chiefly western North American plants, such as certain species of Agave,Chlorogalum, and Yucca, used as a substitute for soap.
2. A plant so used.
[American Spanish, from Nahuatl amolli.]