'clamour' definitions:

Definition of 'clamour'

noun

Loud and persistent outcry from many people; "he ignored the clamor of the crowd" [syn: clamor, clamoring, clamour, clamouring, hue and cry]

verb

Utter or proclaim insistently and noisily; "The delegates clamored their disappointment" [syn: clamor, clamour]

verb

Make loud demands; "he clamored for justice and tolerance" [syn: clamor, clamour]

From: GCIDE

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 from many people. --Shak. [Also spelled clamour.]
Syn: clamor, hue and cry. [1913 Webster + WordNet 1.5]
2. Any loud and continued noise. --Addison. [1913 Webster]
3. A continued expression of dissatisfaction or discontent; a popular outcry. --Macaulay.
Syn: Outcry; exclamation; noise; uproar. [1913 Webster]

From: GCIDE