from the GNU version of the Collaborative International Dictionary of English
- n.pl. A division of Orthoptera including grasshoppers, locusts, and crickets.
from The Century Dictionary and Cyclopedia
- In entomology, a division of orthopterous insects, corresponding to the Linnean genus Gryllus, including those which are saltatory, having the hind legs fitted for leaping, as the Gryllidæ, Locustidæ, and Acridiidæ, or crickets, grasshoppers, and locusts: originally one of two sections (the other being Cursoria) into which Latreille divided the Orthoptera.
Sorry, no etymologies found.