Definition of "loud-hailer" [loud-hailer]

• A portable loudspeaker with built-in microphone and amplifier (noun)

WordNet. Princeton University. 2010.

• "Seems to me that wandering around empty streets shouting through a loud-hailer might be an offence in itself. on May 13, 2009 at 12: 23 pm TheCogitator"
• "Foot Village are four LA hipsters who batter the bejesus out of their drums and scream into a loud-hailer – best in small doses, probably, but invigorating nonetheless."
• "Jack spun and saw Mao Gongli standing at the rim of crater beside a huge Type-90 main battle tank, holding a loud-hailer to his mouth."