Or-thŏp'te-ră, n. pl.

Or-thŏp'te-ră, n. pl. [Gr. ὀρθός, straight, and πτερόν, feather, wing, from πέτεσθαι, πέσθαι, to fly; Fr. orthoptères.] (Entom.) An order of insects having wing-covers of a uniform texture throughout, that generally overlap at the top when shut, under which are the true wings, which fold longitudinally, like a fan. See INSECT.