The phrase "passenger cabin" refers to the area inside a vehicle, usually an airplane or a ship, where the passengers sit or stay during their journey. Full definition
Under federal regulations, all airlines are required to allow service animals like guide dogs to travel with their owners in passenger cabins. (petsmagazine.com.sg)
The front end leads to a two - passenger cabin with wide doors, which are electronically opened. (theautochannel.com)
The wheels were effectively pushed to the corners of the car, creating a much larger passenger cabin than the contemporaries of the time. (en.wikipedia.org)