Wed 21 Jan, 2015 02:53 pm
Your own definition, not a dictionary definition.
Let's try it this way: what's your definition of it?
It is the plural of 'medium.' TV is a medium, a part of the electronic media.
It is a device for or method of communicating a message.
Marshal McLuhan may be of interest to you.
But that's singular, Butrfly. The medium is the massage.