The term SPARE-TIRE LOCALE is a reference to the place where a spare tire is typically stored in a vehicle. The two crossword solutions for this term are WAIST and TRUNK, both of which have five letters. A spare tire is usually stored in the WAIST area of a vehicle, which is the space between the front and back seats. Alternatively, it can also be stored in the TRUNK, which is the large storage area at the back of the car.