opuntia noun. 
[ɒ'pʌnʃɪǝ] E17.[Latin, from Opus (accus. Opuntem) (see below), later used as a genus name: see -IA1.]Orig., a plant said to grow about the Locrian city of Opus, in Greece. Now, any cactus of the genus 
Opuntia, which includes the prickly pears. 
 [TahlilGaran] English Dictionary ▲