noun
1. : any of several liliaceous plants chiefly of the southern and western United States that have foliage which resembles coarse blades of grass: as
a. : any of several yuccas (especially Yucca glauca and Y. filamentosa )
b. : sour grass 2
c. : a plant of the genus Nolina native to desert regions of the southwestern United States and Mexico and sometimes cutivated as greenhouse succulents
2.
a. : a needle grass ( Stipa setigera )
b. : a bur grass ( Cenchrus pauciflorus )