any of several evergreen plants of the genus Yucca having usually tall stout stems and a terminal cluster of white flowers; warmer regions of North America
"The yucca growing in our warm North American garden has reached its height, displaying its tall stout stem topped with a striking cluster of white flowers."
Any of several evergreen plants of the genus Yucca, having long, pointed, and rigid leaves at the top of a woody stem, and bearing a large panicle of showy white blossoms.
"The gardener carefully planted the yucca in the sunny corner of the garden, knowing its stiff, sword-like leaves would thrive there and eventually produce tall spikes of fragrant white flowers."
The Yucca mountain.
"We spent the afternoon hiking up to the ancient ruins of Yucca Mountain, where they plan to store nuclear waste."