mail in WordNet English dictionary

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

1. send via the postal service
   "I'll mail you the check tomorrow"
   mail  get off 
   
2. cause to be directed or transmitted to another place
   "send me your latest results"; "I'll mail you the paper when it's written"
   mail  post  send