The Collaborative International Dictionary of English v.0.48:

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.
   [1913 Webster]

         It was the owl that shrieked.            --Shak.
   [1913 Webster]

         At this she shrieked aloud; the mournful train
         Echoed her grief.                        --Dryden.
   [1913 Webster]

WordNet (r) 3.0 (2006):

shrieked
    adj 1: uttered in a shrill scream as of pain or terror