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

Lexicographical Neighbors of First-class Mail

first-aid
first-aid box
first-aid boxes
first-aid kit
first-aid station
first-aider
first-chance exception
first-chance exceptions
first-come-first-serve(p)
first-come-first-served
first-degree
first-degree burn
first-degree burns
first-degree murder
first-floor
first-footing
first-generation
first-half

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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