from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A clover leaf having four leaflets instead of the normal three, considered to be an omen of good luck.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. An uncommon variation of the clover, having four leaves instead of the usual three.
- n. A bringer of good luck
Sorry, no etymologies found.