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Definition of sidewall

sidewall

/ˈsaɪd.wɔːl/
side · wall
Plural:sidewalls
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sidewall Lexical Profile

sidewall Game Scores & Validity

• noun

1

The vertical or outer side surface of a pneumatic tire located between the outer edge of the tread and the wheel bead, which provides lateral stability and displays manufacturer specifications.

Example

"A deep gash in the tire's sidewall meant the entire tire had to be replaced rather than patched."

2

A wall forming the side of a building, room, tent, vehicle, or geological trench.

Example

"We attached the canvas sidewalls to the canopy tent to block the chilly evening wind."

• Nearby Words

sidetrack
sidetrip
sidewalk
sidewall
sideward
sideways
sidewinder

Cite this Entry

Wordmom. (2026). Definition of Sidewall. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/sidewall
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