The Collaborative International Dictionary of English v.0.48:

Amole \A*mo"le\, n. [Mex.] (Bot.)
   Any detergent plant, or the part of it used as a detergent,
   as the roots of Agave Americana, Chlorogalum
   pomeridianum, etc. [Sp. Amer. & Mex.]
   [Webster 1913 Suppl.]