(pl.) Intranet: A closed form of the internet common in workplaces and education centres; essentially a LAN with limited access to internet pages stored on a local database.
Intranets useage: Tom couldnt stand his school's intranet - all the beastiality sites were blocked.
A much cooler way to say internet, just like saying Canadia instead of Canada. Even if you mean to use it as singular, you must have an "s" at the end of it.
There are so many ads on the intranets, it looks like Times Square