Definition of 1st-class Mail in English :
Define 1st-class Mail in English
1st-class Mail meaning in English
Meaning of 1st-class Mail in English
Pronunciation of 1st-class Mail in English
1st-class Mail pronunciation in English
Pronounce 1st-class Mail in English
1st-class Mail
see synonyms of 1st-class mailNoun
1. 1st class, 1st-class mail, first class, first-class mail
mail that includes letters and postcards and packages sealed against inspection
WordNet Lexical Database for English. Princeton University. 2010.