Definition of call-in
(Entry 1 of 2)
: allowing listeners to engage in broadcast telephone conversations with the host or a guest
a call-in show
call in
verb
called in; calling in; calls in
Definition of call in (Entry 2 of 2)
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
: to communicate with a person by telephone
call in sick
: to report by telephone that one will be absent because of illness
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Time Traveler for call-in
The first known use of call-in was in the 15th century
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