noun
copy of an email; CC; carbon copy
Wasei-eigo term used in email contexts to refer to a copy of a message, similar to CC or carbon copy. Common in Japanese business email.
wasei-eigo (Japanese-coined English), from copy mail
このメールのコピーメールを上司にも送ってください。
Please send a copy of this email to the boss as well.
コピーメールに私のアドレスを入れておいて。
Put my address in the CC.