vociferation

from WordNet (r) 3.0 (2006)

vociferation
    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}]

from The Collaborative International Dictionary of English v.0.48

Vociferation \Vo*cif`er*a"tion\, n. [L. vociferatio: cf. F.
   vocif['e]ration.]
   The act of vociferating; violent outcry; vehement utterance
   of the voice.
   [1913 Webster]

         Violent gesture and vociferation naturally shake the
         hearts of the ignorant.                  --Spectator.
   [1913 Webster]

         Plaintive strains succeeding the vociferations of
         emotion or of pain.                      --Byron.
   [1913 Webster]