Definition of "announce"

announce

/əˈnaʊns/

verb
third-person singular simple present announces, present participle announcing, simple past and past participle announced
1. (transitive) To give public notice of, especially for the first time; to make known.
  Quotations
  Her [Queen Elizabeth’s] arrival was announced through the country by a peal of cannon from the ramparts.
  c. 1780, William Gilpin, Observations, Relative Chiefly to Picturesque Beauty, Made in the Year 1776, on Several Parts of Great Britain
  Soon after the arrival of Mrs. Campbell, dinner was announced by Abboye. He came into the drawing room resplendent in his gold-and-white turban. […] His cummerbund matched the turban in gold lines.
  1927, F. E. Penny, chapter 4, in Pulling the Strings
  The solitary, lumbering trolls of Scandinavian mythology would sometimes be turned to stone by exposure to sunlight. Barack Obama is hoping that several measures announced on June 4th will have a similarly paralysing effect on their modern incarnation, the patent troll.
  2013 June 8, “Obama goes troll-hunting”, in The Economist, volume 407, number 8839, page 55
2. (transitive) To pronounce; to declare by judicial sentence.
  Quotations
  Publish laws, announce / Or life or death.
  c. 1718, Matthew Prior, First Hymn of Callimachus
3. (chiefly US) :
  1. (transitive) To act as announcer for (an event, usually sports).
  2. (intransitive) To act or work as an announcer.