KATYDID
katydid
(noun) large green long-horned grasshopper of North America; males produce shrill sounds by rubbing together special organs on the forewings
Source: WordNet® 3.1
Etymology
Noun
katydid (plural katydids)
A relative of grasshoppers and crickets, in the family Tettigoniidae.
Synonyms
• (UK): bush-cricket
Source: Wiktionary
Ka"ty*did`, n. (Zoöl.)
Definition: A large, green, arboreal, orthopterous insect (Cyrtophyllus
concavus) of the family Locustidæ, common in the United States. The
males have stridulating organs at the bases of the front wings.
During the summer and autumn, in the evening, the males make a
peculiar, loud, shrill sound, resembling the combination Katy-did,
whence the name.
Source: Webster’s Unabridged Dictionary 1913 Edition