spare tire

• spare tyre (UK)

• Audio (General Australian):

  (file)

spare tire (plural spare tires) (American spelling, Canadian spelling)

1. Used other than figuratively or idiomatically: see spare,‎ tire.
2. An extra wheel carried as a replacement in case of a flat.

   Synonym: spare wheel

3. (idiomatic) Excess weight or fat accumulated near the waist.

• See notes at spare tyre.

• (extra wheel): donut

• beer belly
• Kummerspeck
• love handle
• saddlebags

• petraries, repairest, respirate, sparterie