From The Collaborative International Dictionary of English v.0.48 :
clangoring \clangoring\ n.
a loud resonant repeating noise.
Syn: clang, clangor, clangour, clank, clash, crash, jangle.
[WordNet 1.5]
From WordNet (r) 3.0 (2006) :
clangoring
n 1: a loud resonant repeating noise; "he could hear the clang
of distant bells" [syn: clang, clangor, clangour,
clangoring, clank, clash, crash]