̷ ̷ˌ ̷ ̷ēˈȯidēə noun
Usage: capitalized
Etymology: New Latin, from Cycadeae (subfamily of Cycadaceae ) (formerly used as synonym of Cycadaceae ) (from Cycad-, Cycas, type genus + -eae ) + -oidea
: a genus of fossil gymnospermous plants of the Mesozoic era (family Bennettitaceae) having short stout trunks clothed in a dense armor of spirally arranged leaf bases and topped by a crown of fronds