Wordnet 3.0
NOUN (1)
1.
an unattended machine (outside some banks) that dispenses money when a personal coded card is used;
[syn: cash machine, cash dispenser, automated teller machine, automatic teller machine, automated teller, automatic teller, ATM]
WordNet (r) 3.0 (2006):
automated teller machine
n 1: an unattended machine (outside some banks) that dispenses
money when a personal coded card is used [syn: cash
machine, cash dispenser, automated teller machine,
automatic teller machine, automated teller, automatic
teller, ATM]