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\ ˈchek-ˌin 
\
\Definition of check-in
(Entry 1 of 2)
: an act or instance of checking in
check in
verbchecked in; checking in; checks in
Definition of check in (Entry 2 of 2)
1 : to register at a hotel
2 : to report one's presence or arrival
check in at a convention
: to satisfy all requirements in returning
check in the equipment after using
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More Definitions for check-in
check-in
nounEnglish Language Learners Definition of check-in
: the act or process of reporting that you have arrived at a hotel, an airport, etc. : the act or process of checking in also : the time when people are allowed to check in
: the place where people go when they arrive at a hotel, airport, etc.
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Time Traveler for check-in
The first known use of check-in was in 1918
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