What is the meaning of mail?

noun

• The bags of letters and packages that are transported by the postal service.
• The system whereby messages are transmitted via the post office.
  • usage: "the mail handles billions of items every day"; "he works for the United States mail service"; "in England they call mail `the post'"
  • synonyms: mail service, postal service, post
• A conveyance that transports the letters and packages that are conveyed by the postal system.
• Any particular collection of letters or packages that is delivered.
  • usage: "your mail is on the table"; "is there any post for me"; "she was opening her post"
  • synonyms: post
• Middle Ages. ( flexible armor made of interlinked metal rings)
  • synonyms: chain mail, ring mail, chain armor, chain armour, ring armor, ring armour

verb

• Send via the postal service.
  • usage: "I'll mail you the check tomorrow"
  • synonyms: get off
• Cause to be directed or transmitted to another place.
  • usage: "send me your latest results"; "I'll mail you the paper when it's written"
  • synonyms: post, send