An order of mandibulate insects including grasshoppers, locusts, cockroaches, mantids, crickets, katydids, etc. See
Illust. under
Insect. [
1913 Webster]
" 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]