I am just found something in the Cambridge online dictionary. I hope it will help you. Definition
email, e-mail Show phonetics
noun
1 the system for using computers to send messages over the Internet:
You can contact us by email or fax.
What's your email address?
2 [C] a message or document sent using this system:
I got an email from Danielle last week.
email, e-mail Show phonetics
verb [T]
to send an email to someone:
Email me when you've got time.
[+ two objects] Has he emailed you that list of addresses yet?