from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A day set aside for doing household washing.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A day when laundry is washed.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a day set aside for doing household laundry
wash + day (Wiktionary)