spare wheel
Word forms: spare wheels
countable noun B1+ regional note: in AM, use spare tire
A spare wheel is a wheel with a tyre on it that you keep in your car in case you get a flat tyre and need to replace one of your wheels. [mainly British]
Carry a spare wheel that is suitable for your caravan as well as your car.
Image of spare wheel
© Montri Doungnat, Shutterstock
Translations:
Chinese: 备用轮
Japanese: スペアホイール