Spanish bayonet Meaning, Definition & Usage

  1. noun tall yucca of the southwestern United States and Mexico having a woody stem and stiff swordlike pointed leaves and a large cluster of white flowers
    Yucca baccata.
  2. noun a stiff yucca with a short trunk; found in the southern United States and tropical America; has rigid spine-tipped leaves and clusters of white flowers
    Yucca aloifolia.

WordNet

Definitions
  1. (Bot.), a liliaceous plant (Yucca alorifolia) with rigid spine-tipped leaves. The name is also applied to other similar plants of the Southwestern United States and mexico. Called also Spanish daggers.

Webster 1913