What does caller ID mean?

caller ID meaning in Law Dictionary

facility that identifies and displays the telephone amounts of incoming phone calls meant to a specific range.

caller ID meaning in Business Dictionary

phone service feature which allows the receiver of a call to read the phoning party's phone number (with a suitably equipped phone) delivered using the call, typically between your very first and 2nd ring.

caller ID meaning in General Dictionary

a tiny display that will show you calling wide range of the celebration phoning you