[ sahyd-wawl ]

  1. the part of a pneumatic tire between the edge of the tread and the rim of the wheel.

  2. a wall that serves as the side of a structure.

  1. 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

Words Nearby sidewall Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use sidewall in a sentence

  • I've dug down through the sand and found the bottom edge of the metal sidewall.

    Operation Terror | William Fitzgerald Jenkins
  • Farrow went over the back of the seat in a flurry and I rolled off of my stretcher into the angle of the floor and the sidewall.

    Highways in Hiding | George Oliver Smith
  • The shell had struck a sidewall in the bar, and glanced off through the doorway without exploding.

    Ladysmith | H. W. Nevinson
  • They reached the mysterious objects being manufactured in a row around half the sidewall of the Shed.

    Space Platform | Murray Leinster
  • It turned clumsily, and carefully circled the scaffolding, and moved toward a sidewall of the Shed.

    Space Platform | Murray Leinster

British Dictionary definitions for sidewall


/ (ˈsaɪdˌwɔːl) /

  1. 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