Definitions for fourth class
This page provides all possible meanings and translations of the word fourth class
Random House Webster's College Dictionary
(in the U.S. Postal Service) the class of mail consisting of merchandise weighing one pound or more and not sealed against inspection.
Origin of fourth class:
of, pertaining to, or designated as a class next below third.
(adv.)by fourth-class mail.
Origin of fourth-class:
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"fourth class." Definitions.net. STANDS4 LLC, 2013. Web. 9 Dec. 2013. <http://www.definitions.net/definition/fourth class>.