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Check in

verb, slang

Verb

1
To announce or record one's own arrival at a hotel, airport etc.
"We got to the hotel last night and checked in at the front desk."
2
announce one's arrival, e.g. at hotels or airports wordnet
3
To verify a person's information and record their arrival, such as at a hotel, airport, etc.
"The clerk checked us in at the front desk."
4
To contact another person in order to keep the other person informed of one's situation.
"Kelly has to check in with her parole officer today."
5
To return (a book to a library, source code to a repository, etc.). transitive

Show 5 more definitions

6
To visit in order to see how someone is doing.
"I just wanted to check in after your accident. How are you recovering?"
7
To enter solitary confinement at one's own request for protection from other prisoners. intransitive, slang
8
To send somebody to solitary confinement; to make somebody be admitted to solitary confinement. slang, transitive
9
To integrate new revisions into the public or master version of a file in a version control system.
10
to tap on, to touch in, to tap in (to use a smartcard to start a public transport journey) Netherlands, intransitive
"So how exactly does checking in work? When boarding the bus, tram, metro or train, hold the OV-chipkaart (or your debit card, smartphone, or wearable if using OVPay) in front of the screen of a post or gate. It will indicate with a green light and a beep that the anonymous OV-chipkaart has been read."

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