電子郵便 でんしゆうびん Meanings Noun electronic mail service; e-mail service; electronic mail system; e-mail system See also: 電子メール (でんしメール). letter facsimile service operated by Japan Post See also: レタックス. Kanji 電 electric. Read as デン. 子 child 郵 mail. Read as ユウ. 便 mail. Read as ビン. Jinuma: Japanese Dictionary · Word lists