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

Type of: mail

Nearest

1-hitter
1st
1st Baron Beaverbrook
1st Baron Verulam
1st class
1st Earl Attlee
1st Earl Baldwin of Bewdley
1st Earl of Balfour
1st lieutenant
1st Viscount Montgomery of Alamein
1st-class mail
2
2 Chronicles
2 Esdras
2 Kings
2 Maccabees
2 Samuel
20
20/20
200
200th