Definition of "sidewall"

The side of a tire.  examples

The wall forming the side of a structure; a side wall.

1. The wall forming the side of a racquetball court.  quotations  examples

   Quotations

   • The kill shot may also be used against balls weakly played off the sidewall

     1978, Charles Garfinkel, Racquetball the easy way‎, page 87

   • Mark flipped the ball to Jon for service. His high serve drifted perfectly down the left-hand court, and Mark's weakly hit return fell short off the sidewall.

     2003, David Waters, February the Sixth‎, page 53

   • Further, the grazing blow caused the ball to pick up a furiously wicked spin, making it a madly twirling object. The ball skimmed off the sidewall near the corner and into the lower-right corner of the front wall.

     2009, Allan D. Moore, Doms Need Love Too!: Adventures of the Day Old Muffins‎, page 116