yuc·ca /ˈjʌkə/
 絲蘭
 Yuc·ca n.  Bot. A genus of American liliaceous, sometimes arborescent, plants having long, pointed, and often rigid, leaves at the top of a more or less woody stem, and bearing a large panicle of showy white blossoms.
 Note: ☞ The species with more rigid leaves (as Yucca aloifolia, Yucca Treculiana, and Yucca baccata) are called Spanish bayonet, and one with softer leaves  (Yucca filamentosa) is called bear grass, and Adam's needle.
 Yucca moth Zool., a small silvery moth (Pronuba yuccasella) whose larvae feed on plants of the genus Yucca.
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 Yuc·ca n. Zool. See Flicker, n., 2.
 yucca
      n : 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