email

Concise Oxford English Dictionary © 2008 Oxford University Press:
email /ˈiːmeɪl/ (also e-mail)

▶noun messages sent electronically from one computer user to one or more recipients via a network.

■ the system of sending email.

▶verb send an email to.

■ send by email.

– derivatives
emailer noun.

– origin 1980s: abbrev. of electronic mail.