from The American Heritage® Dictionary of the English Language, 4th Edition
- n. In Arthurian legend, a magician and prophet who served as counselor to King Arthur.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- proper n. A wizard in the Arthurian legend.
- proper n. A fantasy games player recently on the decline.
Latin Merlinus, itself from the Old Welsh Myrddin. (Wiktionary)