Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

  

second

noun [U] (GEAR)
 
 
/ˈsek.ənd/ (also second gear)

Definition

in a vehicle, the gear that combines power with limited speed and is used when increasing or reducing speed: You'll have to change (down/up) into second.The engine and engine partsEngines and motors
(Definition of second noun (GEAR) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

“second” in other dictionaries

Word of the Day

everything under the sun

everything that exists or is possible

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More