noun opuntia A cactus of a genus that comprises the prickly pears. 1
noun opuntia any cactus of the genus Opuntia, esp prickly pear, having fleshy branched stems and green, red, or yellow flowers 0
noun opuntia any of a large genus (Opuntia) of cactus plants with red, purple, or yellow flowers, pulpy or dry berries, and fleshy, jointed stems, including the prickly pears and chollas 0
