second class
Concise Oxford English Dictionary © 2008 Oxford University Press:
second class
▶noun
- 1 a set of people or things grouped together as the second best.
- 2 the second-best accommodation in an aircraft, train, or ship.
- 3 Brit. the second-highest division in the results of the examinations for a university degree.
'second class' also found in these Oxford entries:

