Definition of "ATM"

ATM

noun
countable and uncountable, plural ATMs
1. (banking) Initialism of automated teller machine or initialism of automatic teller machine.
2. (slang, by extension) Any source of a large amount of money.
  Quotations
  Too often California is relegated to serving as the nation’s political ATM.
  2007, Alex Padilla, (Please provide the book title or journal name)
3. (computing) Initialism of Adobe Type Manager.
4. (telecommunications, electronics) Initialism of asynchronous transfer mode.
5. (transport) Initialism of active traffic management.
6. (transport) Initialism of advanced traffic management.
7. (transport) Initialism of air traffic management.
8. (transport) Initialism of available ton mile.
9. (pornography, vulgar) Initialism of ass to mouth.
10. (astronomy) Initialism of amateur telescope maker.
11. (business) Initialism of at the market, see at-the-market offering.
phrase
1. (Internet slang, text messaging) Initialism of at the moment.