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;
the mail handles billions of items every day
3.a conveyance that transports mail
4.any particular collection of letters or packages that is delivered;
your mail is on the table
5.(Middle Ages) flexible armor made of interlinked metal rings
1.send via the postal service;
I'll mail you the check tomorrow
2.cause to be directed or transmitted to another place;
send me your latest results