check inverb

• 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.
• 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.
• 6

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

• 7

  slangTo send somebody to solitary confinement; to make somebody be admitted to solitary confinement.

• 8

  computingengineeringmathematicsTo integrate new revisions into the public or master version of a file in a version control system.