Definitions of E Mail

1. communicate electronically on the computer; " she e- mailed me the good news"

2. ( computer science) a system of world- wide electronic communication in which a computer user can compose a message at one terminal that is generated at the recipient's terminal when he logs in

3. A system containing any combination of computers, computer terminals, printers, audio or visual display devices, or telephones interconnected by telecommunications equipment or cables: used to transmit or receive information. ( Random House Unabridged Dictionary, 2d ed)