yucca /ˈjʌkə/ noun2 •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.On the mountains a few junipers and piñons are found, and cactuses, agave, and yuccas, low, fleshy plants with bayonets and thorns. — 1895 •(nonstandard, no longer used) The yuca (cassava).Jucca, sive Yucca Peruana. The root whereof the bread Casua, or Cazava is made. — 1677 formsyuccas