check–in 
/ˈtʃɛkˌɪn/ noun
plural check–ins /ˈtʃɛkˌɪn/ noun 1 [noncount] : the act or process of reporting that you have arrived at a hotel, an airport, etc. : the act or process of checking in
▪ Check-in was delayed. ; also : the time when people are allowed to check in
▪ When is check-in? = When is check-in time? 2 [count] : the place where people go when they arrive at a hotel, airport, etc.
▪ When we got to the airport there was a long line at the check-in. — often used before another noun ▪ the check-in desk/counter — see also check in at 1check
▪ Check-in was delayed. ; also : the time when people are allowed to check in
▪ When is check-in? = When is check-in time?
▪ When we got to the airport there was a long line at the check-in. — often used before another noun ▪ the check-in desk/counter — see also check in at 1check
