1. (noun)mail the bags of letters and packages that are transported by the postal service
2. (noun)mail, mail service, postal service, post the system whereby messages are transmitted via the postoffice "the mail handles billions of items every day"; "he works for the United States mail service"; "in England they call mail `the post'"
3. (noun)mail a conveyance that transports the letters and packages that are conveyed by the postal system
4. (noun)mail, post any particularcollection of letters or packages that is delivered
"your mail is on the table"; "is there any post for me?"; "she was opening her post"
5. (noun)chain mail, ring mail, mail, chain armor, chain armour, ring armor, ring armour (Middle Ages) flexible armor made of interlinked metalrings
6. (verb)mail, get off send via the postal service "I'll mail you the check tomorrow"
7. (verb)mail, post, send cause to be directed or transmitted to another place "send me your latest results"; "I'll mail you the paper when it's written"