1. noun /meɪl/
a) regular delivery of letters and small parcels.
Dont forget to pick up the mail on your way.
b) An organisation which operates such service (e.g. in Britain the Royal Mail)
The following are the hours at which the letter-box of this office is closed for making up the several mails, and the hours at which each mail is despatched: ¶
2. verb /meɪl/
to send (a letter or parcel) through the mail
3. adjective /meɪl/
a) of or pertaining to mail/post
b) made of armoured material (a mail shirt)
Wikipedia foundation.