1. (noun)standard atmosphere, atmosphere, atm, standard pressure a unit of pressure: the pressure that willsupport a column of mercury 760 mm high at sea level and 0 degrees centigrade
2. (noun)asynchronous transfer mode, ATM 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. (noun)cash machine, cash dispenser, automated teller machine, automatic teller machine, automated teller, automatic teller, ATM an unattended machine (outside some banks) that dispenses money when a personal coded card is used
Definition of 'ATM':
