'newsletter' definitions:

Definition of 'newsletter'

From: WordNet
noun
Report or open letter giving informal or confidential news of interest to a special group [syn: newsletter, newssheet]

Definition of 'newsletter'

From: GCIDE
  • newsletter \news"let`ter\, news-letter \news"-let`ter\, n. A circular letter, written or printed for the purpose of disseminating news. This was the name given to the earliest English newspapers.
  • Syn: newssheet. [1913 Webster]

Synonyms of 'newsletter'

From: Moby Thesaurus