FIRST-CLASS MAIL
(noun)Definitions
There is 1 meaning of the phrase
First-Class Mail.
First-Class Mail - as a noun
Mail that includes letters and postcards and packages sealed against inspection
Synonyms (Exact Relations)
Hypernyms (Closely Related)
Hyponyms (Broadly Related)
Example Sentences
"Please send this document via first-class mail."
"I always prefer to receive important letters by first-class mail."
"Make sure to affix enough postage for first-class mail."
"The post office offers tracking services for first-class mail."
"She sealed the envelope and wrote 'first-class mail' on it."