Merriam-Webster Online announced that “blog” is the #1 Word Of The Year for 2004. The top words were based on the online lookups by the site’s users.
Blog noun [short for Weblog] (1999) : a Web site that contains an online personal journal with reflections, comments, and often hyperlinks provided by the writer
Merriam-Webster Online
The rest of the top ten are the words “incumbent”, “electoral”, “insurgent”, “hurricane”, “cicada”, “peloton” (the main body of riders in a bicycle race), “partisan”, “sovereignty”, and “defenestration” (a throwing of a person or thing out of a window).