subject line

Definitions

General English

Commerce

  • noun the space at the top of an email template in which the sender types the title or subject of the email. It is the only part of the email, apart from the sender’s name, that can be read immediately by the receiver.

Computing

  • noun a line in an email that indicates the subject of the message

Information & Library Science

  • noun a line in an e-mail that indicates the subject of the message
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