postalservice
nounUK /ˈpəʊstəl ˈsɜːvɪs/
US /ˈpoʊstəl ˈsɜːrvɪs/
A group that picks up and delivers letters and packages.
The postal service brought a birthday card to my grandma.
OTHER MEANINGS
2. The government-run system for sending mail across a country.
The national postal service delivers to every town, even small ones.
3. The people and trucks that carry mail from place to place.
The postal service hired more drivers during the holidays.
4. A company that moves letters and parcels for customers.
She works for a private postal service that ships boxes overseas.