English

check-in noun definition in Airports topic from the Oxford Advanced Learner's Dictionary

check-in

 noun: Airports topic
1 [countable, uncountable] the place where you go to at an airport to leave your suitcases, etc. and show your ticket The airline apologizes for long delays at check-ins today. Aim to arrive at check-in at least two hours before departure.2 [uncountable] the act of confirming your intention to take a particular flight and your personal details either at an airport or using a computer Do you know your check-in time? (British English) the check-in desk (North American English) the check-in counter