from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Informal A vacation during which one engages in activity that is similar to one's usual work.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A holiday or vacation during which one does something similar to what one does as work.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a holiday where you do the same things you do at work
First recorded in 1893 in the UK. The idea is that a busman, to go off on a holiday, would take an excursion by bus, thereby engaging in a similar activity to his work. (Wiktionary)