from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A cudgel of oak, blackthorn, or other hardwood.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A wooden club ending with a large knob.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a cudgel made of hardwood (usually oak or blackthorn)
After Shillelagh, a village of east-central Ireland.(American Heritage® Dictionary of the English Language, Fourth Edition)
From the name of the Irish village and barony. (Wiktionary)