WordWeb Online

1. Loud and persistent outcry from many people
   "he ignored the clamouring of the crowd";
   - clamor [US], clamoring [US], clamour [Brit, Cdn], hue and cry

1. Make loud demands
   "he clamoured for justice and tolerance";
   - clamor [US]
    
2. Utter or proclaim insistently and noisily
   "The delegates clamoured their disappointment";
   - clamor [US]
    
3. Compel someone to do something by insistent clamouring
   "They clamoured the mayor into building a new park";
   - clamor [US]

Derived forms: clamourings

Type of: call, compel, cry, demand, express, give tongue to, obligate, oblige, outcry, shout, utter, verbalise [Brit], verbalize, vociferation, yell