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English definition of “lock”

lock

noun [U] (WHEELS)    /lɒk/ US  /lɑːk/ UK
the amount a road vehicle's front wheels can be turned from one side to the other by turning its steering wheel: You need it on full lock (= with the wheel turned as much as possible ).Driving and operating road vehicles
(Definition of lock noun (WHEELS) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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