Noun
widely cultivated American monocarpic plant with greenish-white flowers on a tall stalk; blooms only after ten to twenty years and then dies
Source: WordNetAccording to the context of Aztec culture in literature, the soap that they most likely used was the root of a plant called copalxocotl ( Saponaria americana), citation and to clean their clothes they used the root of metl ( Agave americana ). Source: Internet