pitahaya
/ˌpɪtəˈhaɪə/noun
1- any tall cactus of Mexico and the south-western US, in particular the saguaro（墨西哥及美国西南部的）皮塔哈亚仙人掌（尤指树形仙人掌）。
1.1
- the edible fruit of such cacti皮塔哈亚仙人掌果实（可食用）。
词源
late 18th cent.: from Spanish, from Haitian Creole.