Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “orbit”


noun [C/U]  /ˈɔr·bɪt/ us  
physics the curved path through which objects in space move around a planet or star that has gravity (= a pulling force) physics An orbit is also the path an electron takes around the nucleus (= central part) of an atom. biology Orbit also means the round hollow area surrounding the eye.
verb [I/T]  /ˈɔr·bɪt/ us  
(Definition of orbit from the Cambridge Academic Content Dictionary © Cambridge University Press)
What is the pronunciation of orbit?
Add Cambridge dictionaries to your browser to your website

Definitions of “orbit” in other dictionaries

Word of the Day


to send something through the air with force, especially by a sudden movement of the arm

Word of the Day


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