Meaning of “check in” in the English Dictionary

"check in" in British English

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check in

phrasal verb with check uk /tʃek/ us /tʃek/ verb

(FOR FLIGHT)

B1 to show your ticket at an airport so that you can be told where you will be sitting and so that your bags can be put on the aircraft:

Passengers are requested to check in two hours before the flight.
You can save time by checking on online.

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(CONTACT)

to contact someone by making a phone call, short visit, etc., usually in order to make sure there are no problems or to tell them that there are no problems:

My son checks in regularly with me when he's travelling.

check-innoun [ C ]

us uk /ˈtʃek.ɪn/

B1 the area at an airport where you show your ticket so that you can be told where you will be sitting:

A representative from the tour company will meet you at the check-in.

B1 the act of showing your ticket at an airport so that you can be told where you will be sitting:

After check-in, please proceed to gate 26.

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(Definition of “check in” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"check in" in American English

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check in

phrasal verb with check us /tʃek/ verb

to report your arrival, esp. at an airport or hotel, so that you can get the service you are paying for:

Be sure to check in at least an hour before your flight.

check-innoun [ U ]

us /ˈtʃekˌɪn/

the act of recording your arrival at a hotel or at an airport when you are going to travel:

The airline also offers online check-in.

(Definition of “check in” from the Cambridge Academic Content Dictionary © Cambridge University Press)

"check-in" in Business English

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check-innoun

uk /ˈtʃekɪn/ us TRANSPORT

[ C ] also check-in desk the place where you go when you arrive at an airport, port, etc., and where you show your ticket before you get on the plane, boat, etc.:

A representative from the tour company will meet you at the check-in.

[ U ] the process of showing your ticket, etc. when you arrive at an airport , port, etc., or of giving your name when you arrive at a hotel:

Check-in for this flight is at desks 30 - 35.
Check-in at the hotel is usually from 4 p.m., but earlier check-in times can be arranged on request.

[ U ] INTERNET the process of using the internet to check in for a flight:

Web check-in allows you to confirm flights, choose seats, and print your boarding pass.

(Definition of “check-in” from the Cambridge Business English Dictionary © Cambridge University Press)

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