Definition of call-in
:allowing listeners to engage in broadcast telephone conversations with the host or a guest
- a call-in show
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From the M-W Editors
First Known Use of call-in
1952
call in
verb
Definition of call in
transitive verb
1
:to order to return or to be returned: such as
a
:to withdraw from an advanced position
- call in the outposts
b
:to withdraw from circulation
- call in bank notes and issue new ones
2
:to summon to one's aid or for consultation
- call in a mediator
3
:to deliver (a message) by telephone
- call in an order for pizza
intransitive verb
:to communicate with a person by telephone
—
call in sick
:to report by telephone that one will be absent because of illness
First Known Use of call in
15th century
Law Dictionary
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