EnglishMain Dictionary
check-in
Universal Words
noun
1 [C,U] the place where you go first when you arrive at an airport, to show your ticket, etc:
The airline apologizes for long delays at check-ins today. * Aim to arrive at check-in at least two hours before departure.
2 [U] the act of showing your ticket, etc. when you arrive at an airport:
Do you know your check-in time? * (BrE) the check-in desk * (AmE) the check-in counter