What does "announce" mean?

Announce: To pronounce; to declare by judicial sentence. Publish laws, announce Or life or death. Prior. -- To Publish, Announce, Proclaim, Promulgate. We publish what we give openly to the world, either by oral communication or by means of the press; as, to publish abroad the faults of our neighbors. We announce what we declare by anticipation, or make known for the first time; as, to announce the speedy publication of a book; to announce the approach or arrival of a distinguished personage. We proclaim anything to which we give the widest publicity; as, to proclaim the news of victory. We promulgate when we proclaim more widely what has before been known by some; as, to promulgate the gospel.