NOUN (1)

1. a brief report (especially an official statement issued for immediate publication or broadcast);


VERB (1)

1. make public by bulletin;

The Collaborative International Dictionary of English v.0.48:

Flash \Flash\, n.; pl. Flashes.
   1. A sudden burst of light; a flood of light instantaneously
      appearing and disappearing; a momentary blaze; as, a flash
      of lightning.
      [1913 Webster]

   2. A sudden and brilliant burst, as of wit or genius; a
      momentary brightness or show.
      [1913 Webster]

            The flash and outbreak of a fiery mind. --Shak.
      [1913 Webster]

            No striking sentiment, no flash of fancy. --Wirt.
      [1913 Webster]

   3. The time during which a flash is visible; an instant; a
      very brief period; as, I'll be back in a flash.
      [1913 Webster +PJC]

            The Persians and Macedonians had it for a flash.
                                                  --Bacon.
      [1913 Webster]

   4. A preparation of capsicum, burnt sugar, etc., for coloring
      and giving a fictitious strength to liquors.
      [1913 Webster]

   5. A lamp for providing intense momentary light to take a
      photograph; as, to take a picture without a flash.

   Syn: flashbulb, photoflash, flash lamp, flashgun.
        [WordNet 1.5]

   6. Same as flashlight. [informal]
      [PJC]

   7. (Journalism) A short news item providing recently received
      and usually preliminary information about an event that is
      considered important enough to interrupt normal
      broadcasting or other news delivery services; also called
      a news flash or bulletin.
      [PJC]

   Flash light, or Flashing light, a kind of light shown by
      lighthouses, produced by the revolution of reflectors, so
      as to show a flash of light every few seconds, alternating
      with periods of dimness. --Knight.

   Flash in the pan, the flashing of the priming in the pan of
      a flintlock musket without discharging the piece; hence,
      sudden, spasmodic effort that accomplishes nothing.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Bulletin \Bul"le*tin\, n. [F. bulletin, fr. It. bullettino, dim.
   of bulletta, dim. of bulla, bolla, an edict of the pope, from
   L. bulla bubble. See Bull an edict.]
   1. A brief statement of facts respecting some passing event,
      as military operations or the health of some distinguished
      personage, issued by authority for the information of the
      public.
      [1913 Webster]

   2. Any public notice or announcement, especially of news
      recently received.
      [1913 Webster]

   3. A periodical publication, especially one containing the
      proceeding of a society.
      [1913 Webster]

   bulletin board, a board on which announcements are put,
      particularly at newsrooms, newspaper offices, etc.
      [1913 Webster] bullet-proof

WordNet (r) 3.0 (2006):

bulletin
    n 1: a brief report (especially an official statement issued for
         immediate publication or broadcast)
    v 1: make public by bulletin

Moby Thesaurus II by Grady Ward, 1.0:

67 Moby Thesaurus words for "bulletin":
   account, account rendered, accounting, acquaintance, acta,
   announcement, annual, blue book, brief, briefing, census report,
   communication, communique, data, datum, directory, dispatch,
   election returns, enlightenment, evidence, facts,
   factual information, familiarization, flash, gen,
   general information, guidebook, handout, hard information,
   incidental information, info, information, instruction,
   intelligence, knowledge, light, mention, message, minutes,
   news item, news report, notice, notification, presentation,
   press release, proceedings, promotional material, proof,
   publication, publicity, release, report, returns, sidelight,
   statement, tally, the dope, the goods, the know, the record,
   the scoop, transactions, transmission, white book, white paper,
   word, yearbook