| Main Entry: | priority mail |
| Part of Speech: | noun |
| Definition: | first-class mail |
Synonyms: |
airmail, domestic mail, express mail, special delivery |
| Main Entry: | express mail |
| Part of Speech: | noun |
| Definition: | rapid mail delivery system |
Synonyms: |
airmail, next-day air, priority mail, special delivery |
| Main Entry: | special delivery |
| Part of Speech: | noun |
| Definition: | express mail |
Synonyms: |
express, first-class, hand-to-hand delivery, messenger, package express, priority mail, special handling |