American English

Definition of rack-and-pinion adjective from the Oxford Advanced American Dictionary

 

rack-and-pinion

 adjective
adjective
 
[only before noun]
 
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using a piece of machinery in which a moving cog (= wheel with teeth around the edge) fits into a bar with teeth a rack-and-pinion steering system
See the Oxford Advanced Learner's Dictionary entry: rack-and-pinion