sidewall

[ sahyd-wawl ]
/ ˈsaɪdˌwɔl /
|

noun

the part of a pneumatic tire between the edge of the tread and the rim of the wheel.
a wall that serves as the side of a structure.
the side part of the upper of a shoe.

Origin of sidewall

Middle English word dating back to 1350–1400; see origin at side1, wall
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for sidewall

British Dictionary definitions for sidewall

sidewall

/ (ˈsaɪdˌwɔːl) /

noun

either of the sides of a pneumatic tyre between the tread and the rim
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012