FIRST-CLASS MAIL • FREE TRANSLATOR.ORG • Definition of First-class mail

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/fərst-klæs meɪl/ Listen

First-class mail

noun

Mail that includes letters and postcards and packages sealed against inspection. Synonyms: 1st-class mail, 1st class, first class.

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Etymology of 'First-class mail'

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"First-class mail" Quotes from Famous Books

... first-class mail that reaches the office is stamped with these abbreviations and is at once checked for the different stages through which it must go before it is filed. The clerk filing must see that every check on the stamp has a sign after the check to show ...

— The Torch Bearer - A Look Forward and Back at the Woman's Journal, the Organ of the - Woman's Movement • Agnes E. Ryan