from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A place that is considered a breeding ground for epidemic disease.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A place where a pest (contagious disease) is present or likely
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a breeding ground for epidemic disease
pest (“disease”) + hole (“miserable place”) (Wiktionary)