second class

noun

: a level of service on a train, ship, etc., that is just below first class

: a class of mail in the U.S. that includes newspapers, magazines, etc.

: a class of mail in the UK that costs less and takes longer to arrive than first class

Full Definition of SECOND CLASS

: the second and usually next to highest group in a classification

: a class of United States or Canadian mail comprising periodicals sent to regular subscribers

See second class defined for English-language learners

1810

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