from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Any of various diurnal moths of the family Sesiidae, having scaleless transparent wings and a wasplike appearance.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Any of various moths, of the family Sesiidae, that have transparent wings
from the GNU version of the Collaborative International Dictionary of English
- n. A lepidopterous insect with partially transparent wings, of the family Ægeriadæ, of which the currant and peach-tree borers are examples.
from The Century Dictionary and Cyclopedia
- n. A sphinx-moth in which the wings are transparent in the middle: as, the thysbe clearwing, Hemaris thysbe.
clear + wing (Wiktionary)