Interestingly enough, someone over at Apple has a sence of humor. In the new 10.4 Apple added a dictionary application that is pretty slick. However, if you search for ‘blog’ you get a rather interesting answer.

blog |bläg| noun a weblog : blogs run by twenty-something Americans with at least an unhealthy interest in computers. verb ( blogged, blogging) [ intrans. ] add new material to or regularly update a weblog. DERIVATIVES blogger noun ORIGIN shortening.