ˈ ̷ ̷ˌ ̷ ̷ ̷ ̷ noun
1. : a circular letter formerly written or printed for the dissemination of news
2. : a printed sheet, pamphlet, or small newspaper containing news or information of current interest to or bearing upon the interests of a special group
the Commerce Department is planning to begin publication in January of a semimonthly, four-page newsletter containing all information stemming from the department which might be useful to small businessmen — Newsweek