book in

US /bʊk ɪn/
UK /bʊk ɪn/
"book in" picture
1.

to arrange for someone to stay at a hotel, or for a seat on a plane, etc.

:
•
I'll book in for two nights at the hotel.
•
Please book in your flight as soon as possible.
:
check inregisterreservebook
2.

to officially record someone's name as a visitor or for an appointment

:
•
The receptionist will book you in when you arrive.
•
Make sure to book in with the doctor's office for your annual check-up.
:
check inregistersign in
:
bookbookingby the bookreference bookexercise bookbooking officerule book