check in

noun, verb — 12 senses

check-in

nounalso spelled check-in

/ˈt͡ʃɛkˌɪn/

Etymology Deverbal from check in.

1

The act of checking in at a hotel, airport, etc.

  • The hotel never charges for a late check-out or for an early check-in . . .2004, Jesse Dallas, Casino Shrine:
  • The implication was that Ms Purkiss had been stereotyped by the check-in staff as ‘foreign'.1999, Pamela Brown, Tackling Racism: One Day Training Workshop:
2

Computing, Engineering, Mathematics, Natural sciences, Physical sciences, Sciences The submission of source code or other material to a source control repository.

3

The act of contacting another person in order to keep them informed of one's situation.

  • future research should examine whether strength training offers distinct or enhanced benefits compared to other forms of PA for autistic individuals. Exploring strategies such as wellness check-ins, goal setting, and peer mentorship may further support sustained participation and ensure programs are responsive to individual needs.2025 August 20, Ashlyn Barry, Justin A. Haegele, Daniel Schaefer, Kristen A. Pickett, Luis Columna, “Autistic Young Adults’ Experiences and Recommendations for Strength Training”, in Journal of Autism and Developmental Disorders, →DOI:
Synonyms
commit
Derived terms
check-in time

check in

verb
9 senses
  1. 1To announce or record one's own arrival at a hotel, airport etc.
  2. 2To verify a person's information and record their…
  3. 3To contact another person in order to keep the other…
  4. 4To return (a book to a library, source code to a…
  5. 5To visit in order to see how someone is doing.
  6. 6To enter solitary confinement at one's own request for…
  7. 7To send somebody to solitary confinement; to make…
  8. 8To integrate new revisions into the public or master…
  9. 9to tap on, to touch in, to tap in (to use a smartcard to…
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

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.
3

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.
  • During the 2 minutes of music, students first PAUSE to check in with how they are feeling.2016, Carla Tantillo Philibert, Everyday SEL in Elementary School, →ISBN:
4

To return (a book to a library, source code to a repository, etc.).

5

To visit in order to see how someone is doing.

  • I just wanted to check in after your accident. How are you recovering?
  • The sequel checks in with the unmoored but largely lovable characters from the first movie as they face middle age.2017 January 26, Christopher D. Shea, “‘T2 Trainspotting’: The Early Reviews”, in New York Time:
6

Slang To enter solitary confinement at one's own request for protection from other prisoners.

7

Slang To send somebody to solitary confinement; to make somebody be admitted to solitary confinement.

8

Computing, Engineering, Mathematics, Natural sciences, Physical sciences, Sciences, Software To integrate new revisions into the public or master version of a file in a version control system.

9

Netherlands to tap on, to touch in, to tap in (to use a smartcard to start a public transport journey)

Non-native speakers' English

  • 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.2025, “Paying for public transport in the Netherlands”, in Holland.com, Netherlands Board of Tourism & Conventions, retrieved 13 Jun 2025:
  • You can check in and check out with a contactless debit card or credit card. Registering in advance is not necessary.2025, “How can you pay on our public transport?”, in gvb.nl, Amsterdam Municipal Transport Company, retrieved 13 Jun 2025:
1 more example
  • Hold your OV-chipkaart against the card reader to the right of the gate. This will both open the gate for you and check you in for your journey. You will hear one beep when you check in.2025, “Checking in and out”, in ns.nl, Dutch Railways, retrieved 13 Jun 2025:
Related terms
check-in, check into, check in with oneself, check out

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — authors: page histories for check-in and check in.

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