from The American Heritage® Dictionary of the English Language, 4th Edition
- abbr. Internal Revenue Service
from Wiktionary, Creative Commons Attribution/Share-Alike License
- Initialism of Interface Requirements Specification.
- : Initialism of Internal Revenue Service.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. the bureau of the Treasury Department responsible for tax collections
Sorry, no etymologies found.