from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A wagon equipped with food and cooking utensils, as on a ranch or in a lumber camp.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Wagon used to prepare meals on a cattle drives, in the latter part of the 19th century.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a wagon equipped with a cookstove and provisions (for cowboys)
chuck was cowboy slang for food. (Wiktionary)