
SOMEONE IS ON THE LINE
caller.
noun [ C ]
uk /ˈkɔː.lər/us /ˈkɑː.lɚ/
caller noun [C] (PHONE)
someone who makes a phone call, especially a member of the public who calls a radio or television programme while it is being broadcast:
- I'd just like to comment on what your previous caller was saying.
- We have another caller on the line.
- When she hung up, the caller immediately called back.







