Question

check in For example:check in You'll need to show your passport when you check in to the hotel.check in We have to check in about one hour before our flight leaves.Note: "Check in" and "check into" can be used to mean the same things, but most people seem to use "check in" more for hotels and airline desks, and "check into" more for hospitals and medical centres.

Accepted Answer

Meaning: If you check in, you give your details at a hotel's reception desk, or at an airline's check-in counter, when you arrive.

Check Meaning Give Details Hotel's Reception Desk Airline's