air-box

noun
plural air-boxes

Definition of air-box 

: a chamber in a motor vehicle through which air is drawn and filtered before passing into the carburetors or fuel injectors One of the car’s neatest features is a flap on the intake air-box beneath the hood that opens above 3,000 rpm, emitting a wild, flat intake moan under acceleration. —Terry Box, Dallas Morning News, 8 June 2008

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First Known Use of air-box

1857, in the meaning defined above

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The first known use of air-box was in 1857

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