[1] : The Collaborative International Dictionary of English v.0.48

orthoptera \orthop"tera\, prop. n. pl. nl., fr. gr. 'orqo`s
   straight + ? feather, wing. zool.
   an order of mandibulate insects including grasshoppers,
   locusts, cockroaches, mantids, crickets, katydids, etc. see
   illust. under insect.
   1913 webster

   note: the anterior wings are usually thickened and protect
         the membranous posterior wings, which are larger and
         fold longitudinally like a fan. they also have chewing
         mouth parts. the orthoptera undergo no metamorphosis.
         1913 webster +pjc
see also:
insect orthoptera 

[2] : WordNet (r) 2.0

orthoptera
     n : grasshoppers and locusts; crickets syn: order orthoptera
see also:
order orthoptera 

[3] : WordNet (r) 2.0

orthopteron
     n : any of various insects having leathery forewings and
         membranous hind wings and chewing mouthparts syn: orthopterous
         insect, orthopteran
     also: orthoptera pl
see also:
orthopterous insect orthopteran orthoptera 

[4] : WordNet (r) 2.0

orthoptera
     see orthopteron
see also:
orthopteron 

Orthoptera >> O Words
Orthoptera, definition of term: Orthoptera
orthoptera_pag1.html