The Collaborative International Dictionary of English v.0.48:

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.
   [1913 Webster]

         Shrieks, clamors, murmurs, fill the frighted town.
                                                  --Dryden.
   [1913 Webster]

   Shriek owl. (Zool.)
   (a) The screech owl.
   (b) The swift; -- so called from its cry.
       [1913 Webster]

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]

The Collaborative International Dictionary of English v.0.48:

Shriek \Shriek\, v. t.
   To utter sharply and shrilly; to utter in or with a shriek or
   shrieks.
   [1913 Webster]

         On top whereof aye dwelt the ghostly owl,
         Shrieking his baleful note.              --Spenser.
   [1913 Webster]

         She shrieked his name
         To the dark woods.                       --Moore.
   [1913 Webster]

WordNet (r) 3.0 (2006):

shriek
    n 1: sharp piercing cry; "her screaming attracted the neighbors"
         [syn: scream, screaming, shriek, 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, shriek, shrieking,
       scream, screaming]
    v 1: utter a shrill cry [syn: shriek, shrill, pipe up,
         pipe]

Moby Thesaurus II by Grady Ward, 1.0:

169 Moby Thesaurus words for "shriek":
   Homeric laughter, bark, battle cry, bawl, bay, be in stitches,
   beep, bell, bellow, belly laugh, blare, blast, blat, blow,
   blow the horn, blubber, boff, boffola, boom, bray, break up,
   breathe, bugle, burst into laughter, burst of laughter, burst out,
   burst out laughing, burst with laughter, bust a gut, buzz,
   cachinnate, cachinnation, cackle, call, caterwaul, chant, cheer,
   chirp, chortle, chuckle, clarion, convulsion, coo, creak, crow,
   cry, cry out, drawl, exclaim, fanfare, fit of laughter,
   flourish of trumpets, flute, gales of laughter, gasp, giggle,
   go into convulsions, groan, growl, grunt, guffaw, ha-ha, hail,
   halloo, hearty laugh, hee-haw, hee-hee, hilarity, hiss, ho-ho,
   holler, hollo, honk, hoot, horselaugh, howl, hurrah, keen, laugh,
   laugh it up, laugh outright, laughing, laughter, lilt,
   make an outcry, moan, mumble, murmur, mutter, nearly die laughing,
   outburst of laughter, pant, peal, peal of laughter, pipe,
   rallying cry, risibility, roar, roar of laughter,
   roar with laughter, rumble, screak, scream, screech,
   shake like jelly, shake with laughter, shall, shout,
   shout of laughter, shrill, sibilate, sigh, sing, skirl, skreigh,
   snap, snarl, snicker, snigger, snort, sob, sough, sound,
   sound a tattoo, sound taps, split, split with laughter, squall,
   squawk, squeak, squeal, tantara, tantarara, taps, tarantara,
   tattoo, tee-hee, thunder, tirade, titter, toot, tootle, trumpet,
   trumpet blast, trumpet call, twang, tweedle, ululate, ululation,
   wail, war cry, war whoop, warble, whine, whisper, whistle, whoop,
   wind, wrawl, yammer, yap, yawl, yawp, yell, yelp, yo-ho, yowl,
   yuck, yuk-yuk



The Jargon File (version 4.4.7, 29 Dec 2003):

shriek
 n.

    See excl. Occasional CMU usage, also in common use among APL fans and
    mathematicians, especially category theorists.


The Free On-line Dictionary of Computing (30 December 2018):

exclamation mark
!
excl
exclamation point
shriek

    The character "!" with ASCII code 33.

   Common names: bang; pling; excl (/eks'kl/); shriek; ITU-T:
   exclamation mark, exclamation point (US).  Rare: factorial;
   exclam; smash; cuss; boing; yell; wow; hey; wham; eureka;
   soldier; INTERCAL: spark-spot.

   The Commonwealth Hackish, "pling", is common among Acorn
   Archimedes owners.  Bang is more common in the USA.

   The occasional CMU usage, "shriek", is also used by APL
   fans and mathematicians, especially category theorists.

   Exclamation mark is used in C and elsewhere as the logical
   negation operation (NOT).

   (1998-09-17)