Check in
Definition 1 of 4
Pro Tip 1/2Travel Protocol
Used in travel-related situations as part of standard procedures for verifying one's presence.
We must check in at the airport counter before going through security.
Pro Tip 2/2Time Specific
'Check in' often denotes a specific time to report arrival and can coincide with formalities.
Guests are required to check in between 4pm and 6pm.
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