• (n. pl.) A suborder of Neuroptera, including those that have broad, flat wings, as the ant-lion, lacewing, etc. Called also Planipennes.
Pla`ni·pen'ni·a noun plural [ New Latin , from Latin planus plane + penna wing.] (Zoology) A suborder of Neuroptera, including those that have broad, flat wings, as the ant-lion, lacewing, etc. Called also Planipennes .