from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Any of several butterflies of the genus Kallima, having wings that resemble leaves.
from the GNU version of the Collaborative International Dictionary of English
- n. any butterfly which, in the form and colors of its wings, resembles the leaves of plants upon which it rests; esp., butterflies of the genus Kallima, found in Southern Asia and the East Indies.
Sorry, no etymologies found.