check in

US /tʃek ɪn/

UK /tʃek ɪn/

1.

to register one's arrival at a hotel, airport, or other venue

:

•

We need to check in at the hotel before 3 PM.

•

Passengers should check in two hours before their flight.

:

register sign in report

:

check out

2.

to make contact with someone, usually to report or get information

:

•

I'll check in with you later to see how it's going.

•

She always checks in with her parents when she travels.

:

contact report to touch base with

:

check checked check on check into check out check-up health check