atm

(noun) a unit of pressure: the pressure that will support a column of mercury 760 mm high at sea level and 0 degrees centigrade. Synonyms: standard atmosphere, atmosphere, standard pressure.

(noun) 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. Synonyms: asynchronous transfer mode, ATM. Example: "Atm is used for both lan and wan."

(noun) an unattended machine (outside some banks) that dispenses money when a personal coded card is used. Synonyms: cash machine, cash dispenser, automated teller machine, automatic teller machine, automated teller, automatic teller, ATM.