pennate

形容词 pennate:

1. having feathered wings

pen.nate

adj.（形容词）
Having feathers or wings.
有羽的或有翼的
Botany Pinnate.
【植物学】 羽状的
Of or relating to diatoms of the class Pennales, distinguished by bilaterally symmetrical form.
硅藻的：属于或有关以双侧对称形状著名的硅藻的

来源：
Latin penn3tus
拉丁语 penn3tus
from penna [feather] * see pet-
源自 penna [羽毛] *参见 pet-