Dictionary

caller ID

noun \-ˌī-ˈdē\

: a service that allows you to see who is calling before you answer a telephone call

Full Definition of CALLER ID

:  a telephone service that allows a subscriber to identify the telephone number of a caller before answering the call —called also caller identification

Examples of CALLER ID

  1. a phone system with caller ID

First Known Use of CALLER ID

1989

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May 30, 2015
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