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rack and pinion

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noun Machinery, Automotive.
See under rack1 (def. 5a).
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Other definitions for rack and pinion (2 of 2)

rack-and-pinion
[ rak-uhn-pin-yuhn ]
/ ˈræk ənˈpɪn yən /

adjective
of or relating to a mechanism in which a rack engages a pinion: rack-and-pinion steering.

Origin of rack-and-pinion

First recorded in 1900–05
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use rack and pinion in a sentence

British Dictionary definitions for rack and pinion

rack-and-pinion

noun
a device for converting rotary into linear motion and vice versa, in which a gearwheel (the pinion) engages with a flat toothed bar (the rack)
adjective
(of a type of steering gear in motor vehicles) having a track rod with a rack along part of its length that engages with a pinion attached to the steering column
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
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