mail

noun

1.
the bags of letters and packages that are transported by the postal service
Derived from:
mail
2.
the system whereby messages are transmitted via the post office
mail service post postal service
Derived from:
mail
Exemplifies:
American English
3.
a conveyance that transports the letters and packages that are conveyed by the postal system
Derived from:
mail
4.
any particular collection of letters or packages that is delivered
post
Derived from:
mail
5.