cycad
/ˈsaɪkæd/noun
1- a palm-like plant of tropical and subtropical regions, bearing large male or female cones. Cycads were abundant during the Triassic and Jurassic eras, but have since been in decline苏铁, 铁树目裸子植物。
1.1
- Class Cycadopsida, subdivision Gymnospermae: twenty species in the genus Cycas and family Cycadaceae.苏铁纲, 裸子植物亚门： 苏铁科及苏铁属共20种。
词源
mid 19th cent.: from modern Latin Cycas, Cycad- (order name), from supposed Greek kukas, scribal error for koikas, plural of koix 'Egyptian palm'.