checking in

Verb

check in (third-person singular simple present checks in, present participle checking in, simple past and past participle checked in)

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.

   Antonyms:

   check out

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.
4. (transitive) 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?
6. (intransitive, slang) To enter solitary confinement at one's own request for protection from other prisoners.
   • If an authority exists other than that of the pigs, gay victims of homophobia will not have to check in (into protective custody).1980 February 16, Ed Mead, “untitled”, in Gay Community News, volume 7, number 29, page 8

See all 9 meanings of check in