The Jargon File (version 4.4.7, 29 Dec 2003):

netnews
 /net'n[y]ooz/, n.

    1. The software that makes Usenet run.

    2. The content of Usenet. ?I read netnews right after my mail most
    mornings.?


The Free On-line Dictionary of Computing (30 December 2018):

netnews
news

   /net'n[y]ooz/ 1. The software that makes Usenet run.

   2. The content of Usenet.  "I read netnews right after my
   mail most mornings."

   [Jargon File]

   (1994-12-14)