the best and most expensive seats on a plane or train, or rooms in a hotel: ➔ business class, cabin class, economy class, tourist class
We prefer to travel in first class.
a class of post used in Britain for letters and parcels, that is quicker and more expensive than second-class post [↪ second class]
the class of post used in the US for ordinary business and personal letters
the highest class of degree from a British university