third class

third class

noun

Definition of THIRD CLASS

1

: the third and usually next below second class in a classification

2

: the least expensive class of accommodations (as on a passenger ship)

3

a : a class of United States mail comprising printed matter exclusive of regularly issued periodicals and merchandise less than 16 ounces (454 grams) in weight that is not sealed against inspection b : a similar class of Canadian mail with different weight limits

Examples of THIRD CLASS

1. She got a third class in English.

First Known Use of THIRD CLASS

1748