Definition of announcing:
(v) :
(transitive) To give public notice of, especially for the first time; to make known.
(v) :
(transitive) To act as announcer for (an event, usually sports).
(v) :
(intransitive) To act or work as an announcer.
(v) :
(transitive) To pronounce; to declare by judicial sentence.
(v) :
(chiefly US):