1. A brief report (especially an official statement issued for immediate publication or broadcast)
   "The weather service issued an urgent bulletin about the approaching storm"
    
2. Report or open letter giving informal or confidential news of interest to a special group
   "the monthly bulletin";
   - newsletter, newssheet

1. Make public by bulletin
   "The school bulletined the exam schedule"

Derived forms: bulletined, bulletining, bulletins

Type of: account, air, bare, news report, publicise [Brit], publicize, report, story, write up

Encyclopedia: Bulletin, Southern California Academy of Sciences