a written report, issued periodically, typically by a business, institution, or other organization, that presents information and news to people with a specific interest in the organization or subject: our co-op’s monthly newsletter;
an employee newsletter.
a written report and analysis of the news, often providing forecasts, typically directed at a special audience, as businesspeople, and distributed to subscribers:
publication A periodically published work containing news and announcements on some subject, typically with a small circulation. Newsletters are a common application for DTP and may be distributed by electronic mail. (1996-12-10)