1. a large branched arborescent yucca of southwestern United States having short leaves and clustered greenish white flowers; [syn: Joshua tree, Yucca brevifolia]
WordNet (r) 3.0 (2006):
Yucca brevifolia
n 1: a large branched arborescent yucca of southwestern United
States having short leaves and clustered greenish white
flowers [syn: Joshua tree, Yucca brevifolia]