plural of ATM

(banking) Initialism of automated teller machine or initialism of automatic teller machine. / (slang, by extension) Any source of a large amount of money. / (computing) Initialism of Adobe Type Manager.

(Internet slang, text messaging) Initialism of at the moment.

(Internet slang, text messaging) Alternative letter-case form of ATM.

A pleonastic but common variant of ATM

plural of ATM machine