air horn

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air horn

[′er ‚hȯrn]
(mechanical engineering)
In an automotive engine, the upper portion of the carburetor barrel through which entering air passes in quantities controlled by the choke plate and the throttle plate.
References in periodicals archive ?
The rent-a-car manager is annoyed but not amusingly so while the golfers finally swing their golf balls towards the airhorn fiends.
But then the action started for real and the atmosphere was whipped up by landlord Julian Harkins frantically beating a drum behind the bar and letting off an airhorn.
According to an investigation released by NACE in September 1993, the workers hadn't followed written procedures for mixing the chemicals, they had entered the contaminated area without the proper respiratory equipment, and the on-site airhorn had failed to sound.
Dodie Throssel's two sons, Shane, 30, and Micah, 32, used shouts and an airhorn in an earlier attempt this week to track the dogs but could not find them.
His sets are described as energetic, to say the least, and he is never without an airhorn, so prepare for things to get loud.
Jackass: The Movie'': Johnny Knoxville uses an airhorn to upset golfers, then gets pinned under a golf cart during a terror run over a miniature golf course.
What was different tonight is that I ``heard'' it passing by, thanks to Metrolink reconnecting the original five-chime airhorn.