Source : Webster's Revised Unabridged Dictionary (1913)

Orthopteran \Or*thop"ter*an\, n. (Zo["o]l.)
   One of the Orthoptera.

Source : WordNet®

orthopteran
     n : any of various insects having leathery forewings and
         membranous hind wings and chewing mouthparts [syn: {orthopterous
         insect}, {orthopteron}]