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English definition of “first”

first

noun [U] (VEHICLE)    /ˈfɜːst/ US  /ˈfɝːst/ (also first gear)
(in a vehicle) the gear used when starting to drive forward or when driving up a steep hillThe engine and engine partsEngines and motors
(Definition of first noun (VEHICLE) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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