from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A yellow pigment in the wings of certain butterflies and moths, found also in the urine of mammals.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A yellow crystalline solid that occurs mainly in the wings of butterflies and in the urine of mammals, converted by microorganisms into folic acid.
Sorry, no etymologies found.