The Collaborative International Dictionary of English v.0.48:

Outcry \Out"cry`\, n.
   1. A vehement or loud cry; a cry of distress, alarm,
      opposition, or detestation; clamor.
      [1913 Webster]

   2. Sale at public auction. --Massinger. --Thackeray.
      [1913 Webster]

WordNet (r) 3.0 (2006):

outcry
    n 1: a loud utterance; often in protest or opposition; "the
         speaker was interrupted by loud cries from the rear of the
         audience" [syn: cry, outcry, call, yell, shout,
         vociferation]
    v 1: shout louder than [syn: outshout, outcry]
    2: utter aloud; often with surprise, horror, or joy; "`I won!'
       he exclaimed"; "`Help!' she cried"; "`I'm here,' the mother
       shouted when she saw her child looking lost" [syn: exclaim,
       cry, cry out, outcry, call out, shout]

Moby Thesaurus II by Grady Ward, 1.0:

91 Moby Thesaurus words for "outcry":
   Bedlam let loose, Dutch auction, auction, auction block,
   auction sale, bawl, bedlam, blast, block, bobbery, boo, booing,
   brawl, brouhaha, charivari, chirm, clamor, clamoring, clangor,
   clap, clatter, commotion, complaint, cry, decrial, din, discord,
   dolorous tirade, donnybrook, drunken brawl, dustup, flap, fracas,
   free-for-all, gaff, groan, hell broke loose, hiss, hissing, hoot,
   hooting, howl, howling, hubbub, hue and cry, hullabaloo,
   indignation, jangle, jeremiad, keen, lament, loud noise, moan,
   murmur, mutter, noise, noise and shouting, outburst, pandemonium,
   plaint, planctus, protest, protestation, racket, rattle, rhubarb,
   roar, row, ruckus, ruction, rumble, rumpus, scream, shindy,
   shivaree, sob, thunder, thunderclap, tintamarre, tirade, tumult,
   ululation, uproar, vendue, vociferation, wail, wail of woe,
   whimper, whine, yawp, yowl