mail definition

1. the bags of letters and packages that are transported by the postal service
2. the system whereby messages are transmitted via the post office
• examples: the mail handles billions of items every day
• examples: he works for the United States mail service
• examples: in England they call mail `the post'
3. a conveyance that transports the letters and packages that are conveyed by the postal system
4. any particular collection of letters or packages that is delivered
• examples: your mail is on the table
• examples: is there any post for me?
• examples: she was opening her post
5. send via the postal service
• examples: I'll mail you the check tomorrow
6. cause to be directed or transmitted to another place
• examples: send me your latest results
• examples: I'll mail you the paper when it's written