CLANGOUR

clang, clangor, clangour, clangoring, clank, clash, crash

(noun) a loud resonant repeating noise; “he could hear the clang of distant bells”

clangor, clangour

(verb) make a loud resonant noise; “the alarm clangored throughout the building”

Source: WordNet® 3.1

Noun

clangour (countable and uncountable, plural clangours)

(British, Canadian) A loud, repeating clanging sound; a loud racket; a din.

Verb

clangour (third-person singular simple present clangours, present participle clangouring, simple past and past participle clangoured)

(British, Canadian) To make a clanging sound.

Source: Wiktionary