Source : Webster's Revised Unabridged Dictionary (1913)

Clamor \Clam"or\, n. [OF. clamour, clamur, F. clameur, fr. L.
   clamor, fr. clamare to cry out. See {Claim}.]
   1. A great outcry or vociferation; loud and continued
      shouting or exclamation. --Shak.

   2. Any loud and continued noise. --Addison.

   3. A continued expression of dissatisfaction or discontent; a
      popular outcry. --Macaulay.

   Syn: Outcry; exclamation; noise; uproar.

Clamor \Clam"or\, v. t. [imp. & p. p. {Clamored}; p. pr. & vb.
   n. {Clamoring}.]
   1. To salute loudly. [R.]

            The people with a shout Rifted the air, clamoring
            their god with praise.                --Milton
            .

   2. To stun with noise. [R.] --Bacon.

   3. To utter loudly or repeatedly; to shout.

            Clamored their piteous prayer incessantly.
                                                  --Longfellow.

            To clamor bells, to repeat the strokes quickly so as
            to produce a loud clang.              --Bp.
                                                  Warbur?ion.

Clamor \Clam"or\, v. i.
   To utter loud sounds or outcries; to vociferate; to complain;
   to make importunate demands.

         The obscure bird Clamored the livelong night. --Shak.

Source : WordNet®

clamor
     v 1: make loud demands; "he clamored for justice and tolerance"
          [syn: {clamour}]
     2: utter or proclaim insistently and noisily; "The delegates
        clamored their disappointment" [syn: {clamour}]
     3: compel someone to do something by insistent clamoring; "They
        clamored the mayor into building a new park"

clamor
     n 1: a loud harsh or strident noise [syn: {blare}, {blaring}, {cacophony},
           {din}]
     2: loud and persistent outcry from many people; "he ignored the
        clamor of the crowd" [syn: {clamoring}, {clamour}, {clamouring},
         {hue and cry}]