from The American Heritage® Dictionary of the English Language, 4th Edition
- n. 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.
- n. A plant so used.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Any of various parts of the Agave (or similar) plants, when used as soap
- n. Other Mexican and North American plants used as soap
from the GNU version of the Collaborative International Dictionary of English
- n. Any detergent plant, or the part of it used as a detergent, as the roots of Agave Americana, Chlorogalum pomeridianum, etc.
from The Century Dictionary and Cyclopedia
- n. A Mexican name for the roots of various species of plants which have detergent properties and are used as a substitute for soap.
- n. The name of several plants which furnish these roots.
American Spanish, from Nahuatl amolli.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Mexican Spanish amole, from Classical Nahuatl ahmōlli. (Wiktionary)