noun a procedure at a hotel, airport, etc., to register one's arrival
verb to register one's arrival or presence
preposition used to indicate the location or position of someone or something in relation to a place or thing
Guests are required to check in at the front desk upon arrival.
Users can check in at various locations to share their whereabouts with friends.
Attendees are asked to check in at the registration desk to receive their event materials.
Staff members are responsible for assisting guests with the check-in process.
Passengers must check in at least 2 hours before their flight departure.
Employees are expected to check in upon arrival and check out at the end of their shift.
Writers may use 'check in' to refer to the process of reviewing their progress on a project or meeting a deadline.
Psychologists may use 'check in' to describe the initial meeting or assessment with a client to gauge their mental or emotional state.
Hotel managers may use 'check in' to refer to the process of guests arriving and registering at the hotel.
Event planners may use 'check in' to describe the process of guests arriving and registering at an event or conference.
Team leaders may use 'check in' to refer to the regular meetings or updates with team members to ensure everyone is on track.