clamour
Concise Oxford English Dictionary © 2008 Oxford University Press:
clamour /ˈklamə(r)/ (US clamor)
▶noun a loud and confused noise, especially of shouting.
■ a vehement protest or demand.
▶verb (of a group) shout or demand loudly: the surging crowds clamoured for attention.– derivatives
clamorous adjective,
clamorously adverb,
clamorousness noun.
clamorous adjective,
clamorously adverb,
clamorousness noun.
– origin ME: via OFr. from L. clamor, from clamare ‘cry out’.
'clamour' also found in these Oxford entries:

