Still baffled by NPR-speak or simply hungry for the correct spelling of "ombudsman?" Check out Next Generation Radio's complete guide to public radio lingo for terms, definitions and of course, plenty of acronyms.
Search more acronyms at the acronym finder and wikipedia's entry on acronym and initialism. Don't worry: there's a section on fictional espionage organizations.
Think that kind of clearinghouse is for amateurs? You're not alone. The Abbreviation Hunts found meanings for every three-letter combination in English, and are at work on a list of four-letter AAI -- abbreviations, acronyms and initialisms, that is.