A machine that dispenses cash or performs other banking services when an account holder inserts a bank card.‘they tried to withdraw cash from an ATM using the stolen cards’[as modifier] ‘he took out $200 from an ATM machine’
1970s: short for automated teller machine.
1informal At the moment.‘I'm going through a difficult time ATM’
Asynchronous transfer mode.
Atmosphere(s), as a unit of pressure.