-ptərə̇s noun
Usage: capitalized
Etymology: New Latin, from sphen- + -pteris
: a form genus of Paleozoic fossil plants (order Cycadofilicales) based primarily on leaf blades with cuneate pinnules
-ptərə̇s noun
Usage: capitalized
Etymology: New Latin, from sphen- + -pteris
: a form genus of Paleozoic fossil plants (order Cycadofilicales) based primarily on leaf blades with cuneate pinnules
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012