What does check in mean?
check in
Definition
To arrive at a hotel and give your details at the desk so that you get your room.
Example sentences
We checked in at the motel at two in the morning, and the guy at the desk was fast asleep.
We checked in at the motel at two in the morning, and the guy at the desk was fast asleep.
You can check in from three o'clock, but they'll keep your bags if you arrive early.
You can check in from three o'clock, but they'll keep your bags if you arrive early.
After you check in at the reception counter, we'll take your keys and get started.
After you check in at the reception counter, we'll take your keys and get started.