check-in
1 of 2noun
ˈchek-ˌin 
: an act or instance of checking in
check in
2 of 2verb
checked in; checking in; checks in
intransitive verb
1
: to register at a hotel
When you arrive at the hotel, please check in at the front desk.
Once we've checked in and dropped off our luggage, we'll meet you in the lobby.
A regular at MGM Resorts properties, she uses her phone to pull up the M Life smartphone app, where she can check in remotely.
Bryan Horwath
Bryan Horwath2
: to report one's presence or arrival
check in at a convention
Airlines may also require passengers to submit documentation for their service animals at least 48 hours in advance of the date of travel. But those passengers will now be allowed to check in online instead of in person. Chicago Tribune
Chicago Tribune3
US : to find out or report the status of someone or something especially as part of a regular pattern of communication or monitoring
She checks in with her boss/team every Friday.
I'm just checking in to find out how your doctor's appointment went.
Asking for feedback can definitely be scary, but it's good to check in and get some constructive criticism on how you're doing. Nancy Valev
—often followed by on or with Nancy Valev I'm just checking in with you to find out how your doctor's appointment went.All parents should have a system where they check in with their kids frequently. James LehmanHe will be required to check in with a probation officer every week at the outset, and undergo drug and alcohol testing and complete psychological counseling. Cory SchafferDuring the early afternoon, Mrs. Ruane … checked in on the patient who had returned from her procedure. Pohla Smith"… Millions of Americans use social media every day to check in on friends and family, learn about current events, and share their experiences online. … " Shayne Adamski"… But, Shirley, thank you so much. I'll check in with you again as the story unfolds, OK?" Drew PinskyWe access our work email on our phones, catch up on messages during our commutes and even when we're out at lunch, check in on work before bed—some of us feel like we have to just to be good employees. Alan Henry… suggests … setting up Remote Desktop so that you can check in on the systems from afar … Andrew Cunningham
James LehmanHe will be required to check in with a probation officer every week at the outset, and undergo drug and alcohol testing and complete psychological counseling. Cory SchafferDuring the early afternoon, Mrs. Ruane … checked in on the patient who had returned from her procedure. Pohla Smith"… Millions of Americans use social media every day to check in on friends and family, learn about current events, and share their experiences online. … " Shayne Adamski"… But, Shirley, thank you so much. I'll check in with you again as the story unfolds, OK?" Drew PinskyWe access our work email on our phones, catch up on messages during our commutes and even when we're out at lunch, check in on work before bed—some of us feel like we have to just to be good employees. Alan Henry… suggests … setting up Remote Desktop so that you can check in on the systems from afar … Andrew Cunninghamtransitive verb
: to satisfy all requirements in returning
check in the equipment after using
Word History
First Known Use
Noun
1927, in the meaning defined above
Verb
1918, in the meaning defined at intransitive sense 1