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English definition of “spare tire”

spare tire

noun [C]  /ˈspeər ˈtɑɪər/

spare tire noun [C] (EXTRA TIRE)

(also spare) an extra tire for a car

spare tire noun [C] (FAT)

a layer of fat around a person's waist: I was determined to get some exercise and lose my growing spare tire.
(Definition of spare tire from the Cambridge Academic Content Dictionary © Cambridge University Press)
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