email

noun

1.
(computer science) a system of world-wide electronic communication in which a computer user can compose a message at one terminal that can be regenerated at the recipient's terminal when the recipient logs in
Antonym:
snail mail
Derived from:
email
Exemplifies:
American spelling
2.
a message sent over the internet via the email system
3.
an identifier that a person uses as their identity to communicate on the email system