sidewall

noun

side·​wall ˈsīd-ˌwȯl How to pronounce sidewall (audio)
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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
This starts with maintenance and includes brand-new interiors — everything from seats to sidewalls and inflight entertainment — to keep fliers happy. — Maureen O'Hare, CNN Money, 8 Aug. 2026 Ramos played the carom of the sidewall perfectly and fired a throw to second, prompting Moreno to slam on the brakes and retreat to first. — Justice Delos Santos, Mercury News, 2 July 2026 The sidewalls told the story—a treadwear rating of 440 and an M+S marking. — Michael Harley, Forbes.com, 30 June 2026 Like the original Dutch concept, the new Turkish mini dwelling expands its living space dramatically by way of two sidewalls that fold down 90 degrees to deliver extended floor space. — New Atlas, 14 June 2026 See All Example Sentences for sidewall

Word History

First Known Use

14th century, in the meaning defined at sense 1

Time Traveler
The first known use of sidewall was in the 14th century

Rhymes for sidewall

See All Rhymes for sidewall

Browse Nearby Words

sidewalk superintendent
sidewall
sideward
See all Nearby Words

Cite this Entry

“Sidewall.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sidewall. Accessed 12 Aug. 2026.

Copy Citation

Kids Definition

sidewall

noun
side·​wall -ˌwȯl How to pronounce sidewall (audio)
1
: a wall forming the side of something
2
: the side of an automotive tire between the tread shoulder and the rim
Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster

Word of the Day

Listen to the pronunciation of gnomic

See Definitions and Examples »

Popular in Grammar & Usage

See More

A Who’s Who Regarding ‘Who’s’ and ‘Whose’

7 Pairs of Commonly Confused Words

Is that lie 'bald-faced' or 'bold-faced'?

'A' or 'an'? What about before 'h'? An Indefinite Article Guide

Why is '-ed' sometimes pronounced at the end of a word?
See More

Popular in Wordplay

See More

Words from the 'Odyssey'

The Longest Long Words List

It's a Scorcher! Words for the Summer Heat

12 Lovely and Unusual Words for the Natural World

'Gaslighting,' 'Woke,' 'Democracy,' and Other Top Lookups
See More

Popular

See More

A Who’s Who Regarding ‘Who’s’ and ‘Whose’

Words from the 'Odyssey'

The Longest Long Words List
See More

Games & Quizzes

See All
Play Quordle: Guess all four words in a limited number of tries. Each of your guesses must be a real 5-letter word.
Quordle Can you solve 4 words at once?
Play Blossom: Solve today's spelling word game by finding as many words as you can using just 7 letters. Longer words score more points.
Blossom Pick the best words!
Play Missing Letter: a crossword with a twist. Each of the 25 puzzle words start with a different letter of the alphabet. Which letter is missing?
The Missing Letter A daily crossword with a twist
fridge-magnet-letters
Drop a Letter Quiz August 2026 Drop a letter from a word to make a totally diffe...
See All