platyptera

from The Century Dictionary.

• noun A genus of fishes, typical of the family Platypteridæ.
• noun In Packard's system of the classification of insects, the fourth order of ametabolous insects. They have four netveined wings and the mouth-parts adapted for biting, and include the Termitidæ and the Mallophaga.

from the GNU version of the Collaborative International Dictionary of English.

• noun plural (Zoöl.) A division of Pseudoneuroptera including the species which have four broad, flat wings, as the termites, or white-ants, and the stone flies (Perla).