And the situation for which the second definition is used has been around for...well...thousands of years, I am sure. So, it predates computers by a long sot. I am going to think that a computer nerd who was also into other, non-computer hook ups started using the term for his computer work?? At any rate, it is not a very descriptive term when compared to wireless system....unless one is far off into computers and/or alternative physical arrangements. I learned a new word today hat has two meanings and for which I may never have a use. But...I learned.....that makes it a good day, I suppose.