Loud horn much heard during the 2010 World Cup in South Africa

• Stadium ear piercer
• Horn made famous at the 2010 World Cup
• Horn banned from the 2014 World Cup
• Football match horn
• South African horn, seen at football matches
• Cape horn?
• Buzzer sounded during a match

Wikipedia Word definitions in Wikipedia
The vuvuzela , also known as lepatata Mambu (its Tswana name) and stadium horn (its American name), is a plastic horn , about long, which produces a loud monotone note, typically around B 3 (the B below middle C ). Some models are made in two parts to facilitate ...

Wiktionary Word definitions in Wiktionary
n. A trumpet-shaped horn, now usually plastic, that produces a loud buzzing sound.