Source : Webster's Revised Unabridged Dictionary (1913)

Shout \Shout\ (shout), v. i. [imp. & p. p. {Shouted}; p. pr. &
   vb. n. {Shouting}.] [OE. shouten, of unknown origin; perhaps
   akin to shoot; cf. Icel. sk[=u]ta, sk[=u]ti, a taunt.]
   To utter a sudden and loud outcry, as in joy, triumph, or
   exultation, or to attract attention, to animate soldiers,
   etc.

         Shouting of the men and women eke.       --Chaucer.

         They shouted thrice: what was the last cry for? --Shak.

   {To shout at}, to utter shouts at; to deride or revile with
      shouts.

Source : WordNet®

shouting
     adj : noisy with or as if with loud cries and shouts; "a crying
           mass of rioters"; "a howling wind"; "shouting fans";
           "the yelling fiend" [syn: {crying}, {howling}, {yelling}]
     n 1: encouragement in the form of cheers from spectators; "it's
          all over but the shouting" [syn: {cheering}]
     2: uttering a loud inarticulate cry as of pain or excitement
        [syn: {yelling}]