gear

noun
C1+
1
C1+
equipment in a vehicle that changes the relation between engine speed (or pedal speed on a bicycle) and the speed of the wheels moving forwards or backwards
دنده
2
C1+
a particular position of the gears in a vehicle that gives a particular range of speed and power
دنده, چرخ‌دنده
first/second, etc. gear
reverse gear
low/high gear
(British English)bottom/top gear
(British English)to change gear
(North American English)to shift gear
When parking on a hill, leave the car in gear.
What gear are you in?
He drove wildly, crashing through the gears like a maniac.
see also high gear, top gear
3
C1+
the equipment or clothing needed for a particular activity
تجهیزات, ادوات, ابزار
climbing/fishing/sports gear
see also headgear, riot gear
4
C1+
clothes
پوشاک, لباس, جامه
Her friends were all wearing the latest gear.
She was the only one wearing expensive designer gear.
see also riot gear
5
the things that a person owns
وسایل, تجهیزات
I've left all my gear at Dave's house.
6
a machine used for a particular purpose
دستگاه, تجهیزات
lifting/towing/winding gear
see also landing gear
7
used to talk about the speed or effort involved in doing something
دنده
(British English)The party organization is moving into top gear as the election approaches.
(North American English)to move into high gear
Coming out of the final bend, the runner stepped up a gear to overtake the rest of the pack.
He found it hard to switch gears when he retired.
8
illegal drugs
مواد مخدر, داروهای غیرقانونی