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tailpipe

American  
[teyl-pahyp] / ˈteɪlˌpaɪp /
Or tail pipe

noun

  1. an exhaust pipe located at the rear of a motor vehicle or aircraft powered by an internal-combustion engine.


tailpipe British  
/ ˈteɪlˌpaɪp /

noun

  1. a pipe from which the exhaust gases from an internal-combustion engine are discharged, esp the terminal pipe of the exhaust system of a motor vehicle

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of tailpipe

1880–85, in sense, “suction pipe of a pump”; 1905–10 for current sense; tail 1 + pipe 1