Source : Webster's Revised Unabridged Dictionary (1913)

Shriek \Shriek\, v. i. [imp. & p. p. {Shrieked}; p. pr. & vb. n.
   {Shrieking}.] [OE. shriken, originallythe same word as E.
   screech. See {Screech}, and cf. {Screak}.]
   To utter a loud, sharp, shrill sound or cry, as do some birds
   and beasts; to scream, as in a sudden fright, in horror or
   anguish.

         It was the owl that shrieked.            --Shak.

         At this she shrieked aloud; the mournful train Echoed
         her grief.                               --Dryden.

Shriek \Shriek\, v. t.
   To utter sharply and shrilly; to utter in or with a shriek or
   shrieks.

         On top whereof aye dwelt the ghostly owl, Shrieking his
         baleful note.                            --Spenser.

         She shrieked his name To the dark woods. --Moore.

Shriek \Shriek\, n.
   A sharp, shrill outcry or scream; a shrill wild cry such as
   is caused by sudden or extreme terror, pain, or the like.

         Shrieks, clamors, murmurs, fill the frighted town.
                                                  --Dryden.

   {Shriek owl}. (Zo["o]l.)
   (a) The screech owl.
   (b) The swift; -- so called from its cry.

Source : WordNet®

shriek
     n 1: sharp piercing cry; "her screaming attracted the neighbors"
          [syn: {scream}, {screaming}, {shrieking}, {screech}, {screeching}]
     2: a high-pitched noise resembling a human cry; "he ducked at
        the screechings of shells"; "he heard the scream of the
        brakes" [syn: {screech}, {screeching}, {shrieking}, {scream},
         {screaming}]
     v : utter a shrill cry [syn: {shrill}, {pipe up}, {pipe}]

Source : Free On-Line Dictionary of Computing

shriek
     
        {exclamation mark}