check in


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check in

(at something) to go to a place to record one's arrival. When you get there, check in at the front office.
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check in

(on someone or something) Go to look in (on someone or something).
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check in

(with someone) to go to someone and indicate that one has arrived some place. Please check in with the desk clerk.
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check in

 (to something)
1. to sign oneself into a place to stay, such as a hotel, hospital, motel, etc. She checked into a private hospital for some kind of treatment. They checked into the first motel they came to on the highway.
2. Go to look into something.
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check someone in

to record the arrival of someone. Ask the guard to check you in when you get there. Tell the guard to check in the visitors as they arrive.
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check something in

 
1. to record that someone has returned something. I asked the librarian to check the book in for me. Did the librarian check in the book?
2. to take something to a place, return it, and make sure that its return has been recorded. I checked the book in on time. Did you really check in the book on time?
3. to examine a shipment or an order received and make certain that everything ordered was received. I checked the order in and sent a report to the manager. Tim checked in the order from the supplier to make sure that everything was there.
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check in

to give your name when you arrive at a place With all these security measures, you have to check in at least two hours hour before your flight.
Usage notes: usually said about giving your name at a place you will be staying, such as a hotel, or before traveling on an aircraft
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check in (with somebody)

to communicate with someone, esp. regularly When traveling, I am supposed to check in with my boss at least once a day.
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check in

1. Record one's arrival at a hotel, conference, or other function, as in I asked the hotel if we could check in early. [Early 1900s] Also see check into, def. 2.
2. Die, as in With the plane rapidly losing fuel, the pilot was sure he'd check in. [Slang; early 1900s] Also see check out.
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check in

v.
1. To register or record one's arrival somewhere, as at a hotel or airport: The airline requires you to check in at least an hour before your flight. I entered the hotel, went to the registration desk, and checked in.
2. To register or record the arrival of someone, as at a hotel or airport: The hotel receptionist checked us in and gave us the key to our room. The ticket agent checked in the passengers and gave them their boarding passes.
3. To return or deposit something somewhere, and have its receipt recorded: I checked the book in to the library a few days late. When we arrived at the airport, we checked in our luggage and proceeded to the plane.
4. To record that something has been returned or deposited somewhere: The librarian checked in the stack of books that people had returned. The porter checked our bags in for the flight.
See also: check
References in periodicals archive ?
Those customers who have a printed itinerary, and who do not need to check in luggage, may proceed directly through security by showing their itinerary and photo identification.
In 1999 Alaska and Horizon extended self-check-in technology into the home and office when they became the first North American airlines to allow customers to check in and print their boarding passes via the Internet.
This year, Delta is adding more than 400 additional kiosks and enhancing functionality to include international check in and more.
Customers can use kiosks to check in, check baggage, print boarding cards, select or change seats, change flights and more.
The new 'Top 10 Destinations' app, built by Facebook preferred marketing developer Betapond, features a leaderboard of the most popular travel destinations in the world using the 'Were Here' API to access Facebook's huge bank of location-based data on check ins, tagged people, photos and albums.
Based on the total number of check ins, YellowBrck will announce the winners.