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Definition of the noun 1st-class mail
What does 1st-class mail mean as a name of something?
- mail that includes letters and postcards and packages sealed against inspection
- lexical domain: Communicative Processes - nouns denoting communicative processes and contents
- synonyms of 1st-class mail: 1st class / first class / first-class mail
- more generic word: mail = the bags of letters and packages that are transported by the postal service
- more specific word: correspondence = communication by the exchange of letters
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