The Britannica Dictionary
mobile search
Home
Ask the Editor
Word of the Day
Quizzes
Core Vocabulary
Browse the Dictionary
×
Britannica Homepage
Ask the Editor
Word of the Day
Quizzes
Core Vocabulary
Browse the Dictionary
The Britannica Dictionary
gearbox
1 ENTRIES FOUND:
gearbox
(noun)
gearbox
/
ˈ
giɚˌbɑːks/
noun
plural
gearboxes
gearbox
/
ˈ
giɚˌbɑːks/
noun
plural
gearboxes
Britannica Dictionary definition of GEARBOX
[
count
]
:
a box in a car, truck, etc., that contains the gears
a five-speed
gearbox
[=(more commonly)
transmission
]
[+] more examples
[-] hide examples
[+] Example sentences
[-] Hide examples
ASK THE EDITOR
What are the plural forms of
check-in
,
passerby
, and
spoonful
?
See the answer »
QUIZZES
Vocabulary Quiz
Test your word power
Take the Quiz »
Name That Thing
Take our visual quiz
Test Your Knowledge »
WORD OF THE DAY
expensive
:
costing a lot of money
Learn More »