from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A large heavy stuffed ball used in conditioning exercises.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A large, heavy sphere of leather or plastic filled with sand and used for athletic training or physical rehabilitation.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. heavy ball used in physical training
Sorry, no etymologies found.