atm

noun ! Definition from WordNet 3.1, Princeton University. More about atm at Wordnik → Where our words come from →

1. A unit of pressure: the pressure that will support a column of mercury 760 mm high at sea level and 0 degrees centigrade.
2. A means of digital communications that is capable of very high speeds; suitable for transmission of images or voice or video as well as data.

   ATM is used for both LAN and WAN

3. An unattended machine (outside some banks) that dispenses money when a personal coded card is used.