Of or belonging to the first class in a recognized series of grades; esp. (a) (British) relating to the highest division in the results of a…

Of or belonging to the class (in any sense of the word) next to the first. Also absol. a place in the second class (in an examination); also a…

attributive or adj. Of or belonging to the class next below the second.

Originally U.S. Frequently hyphenated. Designating a passenger travelling in business class; of or relating to this class of service.

Of or relating to the standard class of accommodation or seating in railway travel.