Definitions

1. noun

letters or packages sent from one place to another, especially by post

“She checked her mail at the post office.”

2. noun

a system of organizing and transmitting messages or data, especially electronically

“The company uses a secure email system for all its mail.”

3. verb

to send or post letters, packages, or messages

“Please mail the package to my address.”

4. verb

to send electronic messages, especially emails

“She mails her friends every week.”