British spelling variant of clangor; a loud, prolonged, resonant sound, especially metallic in nature.
Same etymology as clangor; the -our spelling is the standard British English variant, derived from Latin 'clangor.'
British and American writers diverged on this spelling after the 1800s—George Bernard Shaw would use 'clangour' while Mark Twain used 'clangor,' reflecting regional preferences.
Complete word intelligence in one call. Free tier — 50 lookups/day.