from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Slang A steady dependable source of funds or income: "a collapse of its profitable cash cow, the clusters of word-processing machines” ( Christian Science Monitor).
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A product, service, or enterprise that generates ongoing, high net free cash flows.
- n. Someone or something which is a dependable source of appreciable amounts of money; a moneymaker.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a project that generates a continuous flow of money
An allusion to the dairy cow, which once acquired may be milked on an ongoing basis. (Wiktionary)