American Dictionary

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Definition gear in American English

gear noun

noun
/ɡɪr/
1

the part of an engine that changes engine power into movement. Most cars in the U.S. are automatics, so the engine changes between gears without the driver having to do anything

Example

Helen changed gears as she approached the intersection.

Example

I put the car into fourth gear when I got onto the highway.

Example

Always use a low gear when driving down a steep hill.

Example

You'll ruin the transmission if you keep grinding the gears like that.

Example

The car won't move unless you're in gear.

Example

Take the car out of gear.

Synonyms and related words
2

the special clothes and equipment that you use for a particular activity

Example

Don't forget to bring hiking gear.

Example

We took down the tent and packed all the gear away.

Example

police dressed in riot gear

Synonyms and related words
3

a machine or part of a machine that does a particular job

Example

Firefighters with heavy lifting gear battled to free the survivors from the wreckage.

Synonyms and related words
Definition gear in American English