UK /meɪl/
US /meɪl/
Letters and packages that people send to each other.
I got a birthday card in the mail today.
OTHER MEANINGS
2. The system that carries and delivers letters and packages.
The mail is delivered every morning at nine.
3. Armor made of metal rings or plates worn for protection.
The knight wore shining mail into battle.
4. To send something by post.
Please mail the invitation to my grandmother.