Often people wonder what is a webinar , and how is it different from a video conference? While similar to video conferencing, a webinar's purpose is usually instructional or educational in a one-to-many format. While webinars and video conferences can be highly interactive, video conferencing usually describes regular meetings, discussions, or brainstorms. Video conferencing is what you might attend with your colleagues multiple times each day, whereas a webinar is a unique event you may have ... WEBINAR meaning : 1. an occasion when a group of people go on the internet at the same time to study and discuss…. Learn more. Short for web-based seminar , a webinar is a presentation, lecture, workshop or seminar that is transmitted over the web using video conferencing software. A webinar is a class or presentation that takes place online. The advantage of a webinar over an in-person workshop is that anyone in the world can participate.