We found 27 dictionaries that define the word gearbox:

General (21 matching dictionaries)

1. gearbox: Merriam-Webster
2. gearbox: Oxford Learner's Dictionaries
3. gearbox: American Heritage Dictionary of the English Language
4. gearbox: Collins English Dictionary
5. gearbox: Vocabulary.com
6. Gearbox, gearbox: Wordnik
7. gearbox: Cambridge Advanced Learner's Dictionary
8. gearbox: Wiktionary
9. gearbox: Webster's New World College Dictionary, 4th Ed.
10. gearbox: The Wordsmyth English Dictionary-Thesaurus
11. gearbox: Infoplease Dictionary
12. gearbox: Dictionary.com
13. Gearbox: Wikipedia, the Free Encyclopedia
14. gearbox: Rhymezone
15. gearbox: FreeDictionary.org
16. gearbox: Mnemonic Dictionary
17. gearbox: TheFreeDictionary.com
18. gearbox: Wikimedia Commons US English Pronunciations
19. gearbox: Longman Dictionary of Contemporary English

Computing (1 matching dictionary)

20. gearbox: Encyclopedia

Slang (1 matching dictionary)

21. gearbox: Urban Dictionary

Sports (2 matching dictionaries)

22. Internet Karting Glossary (No longer online)
23. Gearbox: Sports Definitions

Tech (2 matching dictionaries)

24. AUTOMOTIVE TERMS (No longer online)
25. Oil Analysis (No longer online)

(Note: See gearboxs as well.)

Definitions from Wiktionary ( ) ▸ noun:  An enclosed gear train. ▸ noun:  That part of a car's transmission containing the train of gears, and to which the gear lever is connected. Similar: gear case, gear train, geartrain, gearwork, transmission, gearcase, gearset, gear, gearmotor, gearhead, more... Opposite: clutch, transmission, drivetrain Types: automatic, manual, sequential manual, more... Phrases: manual gearbox, automatic gearbox, epicyclic gearbox, crash gearbox, Preselector gearbox, more... Adjectives: speed, automatic, manual, new, main, accessory, synchromesh, conventional, standard, planetary, auxiliary ▸ Words similar to gearbox ▸ Usage examples for gearbox ▸ Idioms related to gearbox ▸ Wikipedia articles (New!) ▸ Popular adjectives describing gearbox ▸ Words that often appear near gearbox ▸ Rhymes of gearbox ▸ Invented words related to gearbox