| 1. | a system for sending messages from one individual to another via telecommunications links between computers or terminals. |
| 2. | a message sent by e-mail: Send me an e-mail on the idea. |
| 3. | to send a message to by e-mail. |
e-mail or e·mail also E-mail  (ē'māl') n.
To send (a message) by such a system. [e(lectronic) mail.] |
E-mail has become one of the most widely used aspects of the Internet, because it provides a means of mass communication to almost anywhere in the world at high speed.
Note: The proliferation of spam and the transmission of computer viruses through e-mail attachments are two of the more problematic aspects of this technology.