Sentence:  Middlesbrough will wonder whether it might have been different if the volley that Jelle Vossen slashed towards John Ruddy's net after nine minutes had been a couple inches lower rather than <WSD>clanging</WSD> off the crossbar. They should not dwell on that moment too long, however. 
Meaning of the word marked with <WSD> tags:  To give out a clang; to resound.