check-in

check-in
ˈcheck-in noun
1. [singular] a place where you report your arrival at an airport, hotel, hospital etc:
    the check-in desk
    Make sure you’re at the check-in by 5.30.
2. [uncountable] the process of reporting your arrival at an airport, hotel, hospital etc:
    Ask your travel agent about check-in times.
⇨ check in at check¹