1
: a wall forming the side of something
2
: the side of an automotive tire between the tread shoulder and the rim bead
Examples of sidewall in a Sentence
Recent Examples on the Web
If a foreign object punctures the tread or sidewall, your tire can deflate slowly or quickly, depending on the puncture.
—
Jason Fogelson, AJC.com, 29 May 2026
On the sidewall across from the bed, a swing-up worktop serves as a dining table and a desk.
—C.c. Weiss
may 28, New Atlas, 28 May 2026
Instead, the ball stayed in play and bounced off the angled sidewall.
—Justice Delos Santos, Mercury News, 15 May 2026
While the seats look similar to normal economy class fixtures, SkyNook makes use of the space between the window seat and the plane’s sidewall, offering enough room to secure a baby carrier or a space for a pet, or to flex as a place to work or dine.
—Avni Trivedi, CNN Money, 23 Apr. 2026
See All Example Sentences for sidewall
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Jason Fogelson, AJC.com, 29 May 2026
On the sidewall across from the bed, a swing-up worktop serves as a dining table and a desk.
—C.c. Weiss
may 28, New Atlas, 28 May 2026
Instead, the ball stayed in play and bounced off the angled sidewall.
—Justice Delos Santos, Mercury News, 15 May 2026
While the seats look similar to normal economy class fixtures, SkyNook makes use of the space between the window seat and the plane’s sidewall, offering enough room to secure a baby carrier or a space for a pet, or to flex as a place to work or dine.
—Avni Trivedi, CNN Money, 23 Apr. 2026
See All Example Sentences for sidewall
Cite this Entry
“Sidewall.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sidewall. Accessed 2 Jun. 2026.
Copy CitationKids Definition
sidewall
noun
side·wall
-ˌwȯl 
1
: a wall forming the side of something
2
: the side of an automotive tire between the tread shoulder and the rim
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