Loud ringing noise (8)
I believe the answer is:
clangour
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">loud ringing noise</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for clangour that I've seen before include "Loud resounding noise" , "Loud ringing noise" , "Commotion" , "Uproar; loud repeated noise" .)