A blog that uses video contents accompanied by text annotations in which the author expresses his or her thoughts, opinions and feelings about a given topic. The blend is formed from the words video and blog.

Editors of the American Heritage Dictionaries (2006). High Definition: An A to Z Guide to Personal Technology. Houghton Mifflin Company. Massachusetts. p. 338.
Chandler, Daniel & Munday, Rod (2011). A Dictionary of Media and Communication. Oxford University Press. Oxford. p. 456. See the Online Edition