Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

  

English definition of “earth”

earth

noun [C usually singular] (WIRE)    /ɜːθ/ US  /ɝːθ/ UK (US ground)
a wire that makes a connection between a piece of electrical equipment and the ground, so the user is protected from feeling an electric shock if the equipment develops a fault Electrical switches and connections
(Definition of earth noun (WIRE) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
Focus on the pronunciation of earth

Definitions of “earth” in other dictionaries

Word of the Day

gastronomy

the art and knowledge involved in preparing and eating good food

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