We found 20 dictionaries that define the word sidewall:

General (16 matching dictionaries)

1. sidewall: Merriam-Webster
2. sidewall, sidewall: Oxford Learner's Dictionaries
3. sidewall: American Heritage Dictionary of the English Language
4. sidewall: Collins English Dictionary
5. sidewall: Infoplease Dictionary
6. sidewall: Dictionary.com
7. Sidewall: Wikipedia, the Free Encyclopedia
8. sidewall: Rhymezone
9. sidewall: FreeDictionary.org
10. sidewall: Mnemonic Dictionary
11. sidewall: TheFreeDictionary.com
12. sidewall: Vocabulary.com
13. sidewall: Wordnik
14. sidewall: Wiktionary
15. sidewall: Webster's New World College Dictionary, 4th Ed.
16. sidewall: The Wordsmyth English Dictionary-Thesaurus

Science (1 matching dictionary)

17. Archaeology Wordsmith (No longer online)

Slang (1 matching dictionary)

18. sidewall: Urban Dictionary

Tech (2 matching dictionaries)

19. AUTOMOTIVE TERMS (No longer online)
20. Schlumberger Oilfield Glossary (No longer online)

(Note: See sidewalls as well.)

Definitions from Wiktionary (sidewall) ▸ noun:  The side of a tire. ▸ noun:  The wall forming the side of a structure; a side wall. ▸ noun:  The wall forming the side of a racquetball court. Similar: sipe, shoe, hillside, sideswipe, sideskirt, heelside, shoreside, slopeside, mountainside, slick, more... Opposite: center, middle, interior Types: bias ply, radial, more... Adjectives: pelvic, nasal, left, right, lateral, vertical, white, opposite, lower, upper, outer ▸ Words similar to sidewall ▸ Usage examples for sidewall ▸ Idioms related to sidewall ▸ Wikipedia articles (New!) ▸ Popular adjectives describing sidewall ▸ Words that often appear near sidewall ▸ Rhymes of sidewall ▸ Invented words related to sidewall