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Definition of First-class mail
1. Noun. Mail that includes letters and postcards and packages sealed against inspection.
Exact synonyms: 1st Class, 1st-class Mail, First Class
Generic synonyms: Mail
Specialized synonyms: Correspondence
Generic synonyms: Mail
Specialized synonyms: Correspondence
Lexicographical Neighbors of First-class Mail
Literary usage of First-class mail
Below you will find example usage of this term as found in modern and/or classical literature:
1. Appletons' Annual Cyclopædia and Register of Important Events of the Year (1899)
"It must be apparent that the cost of handling and carrying first-class mail matter
is much larger than the cost of carrying and ..."
2. Scientific American Reference Book by Albert Allis Hopkins, Alexander Russell Bond (1913)
"The figures show that although Europe has about three and a half times the
telegraph traffic and nearly twice the first-class mail traffic, ..."
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