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English definition of “gear”

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gear

noun  /ɡɪr/ us  

gear noun (MACHINE PART)

(in a machine) a wheel having pointed parts around the edge that come together with similar parts of other wheels to control how much power from an engine goes to the moving parts of a machine In a vehicle, a gear is any of several limited ranges of power that are used for different speeds: [U] Use second gear going up a steep hill.

gear noun (EQUIPMENT)

gear

verb [always + adv/prep]  /ɡɪr/ us  

gear verb [always + adv/prep] (MAKE READY)

to make something ready or suitable for a particular purpose: [T] Our program is geared to the needs of children.
Phrasal verbs
(Definition of gear from the Cambridge Academic Content Dictionary © Cambridge University Press)
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