earth Meaning in the Cambridge English Dictionary
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Meaning of “earth” in the English Dictionary

"earth" in British English

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earthnoun

uk   /ɜːθ/  us   /ɝːθ/

earth noun (PLANET)

B1 [S or U] (also Earth) the ​planet third in ​order of ​distance from the ​sun, between Venus and Mars ; the ​world on which we ​live: The earth ​takesapproximately 3651/4days to go round the ​sun. The ​circus has been ​described as the ​greatest show on earth (= in the ​world). Mercury, ​Venus, Earth, and ​Mars are called "​rockyplanets".
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earth noun (GROUND)

B2 [S or U] the ​landsurface of the ​worldrather than the ​sky or ​sea: The earth was ​shaking and ​peoplerushed out of ​theirhouses in ​panic. He had ​enjoyed the ​voyage but was ​happy to ​feel the earth beneath his ​feetonce more.B2 the usually ​brown, ​heavy and ​loosesubstance of which a ​largepart of the ​surface of the ground is made, and in which ​plants can ​grow: The ​ploughed earth ​lookedrich and ​dark and ​fertile.
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earth noun (WIRE)

[C usually singular] UK (US ground) a ​wire that makes a ​connection between a ​piece of ​electricalequipment and the ground, so the ​user is ​protected from ​feeling an ​electricshock if the ​equipmentdevelops a ​fault

earth noun (HOLE)

[C] a ​hole in the ground where an ​animal such as a foxlives

earthverb [T usually passive]

uk   /ɜːθ/  us   /ɝːθ/ UK (US ground)
to put an earth (= ​wire) between a ​piece of ​electricalequipment and the ground: You could get a ​nastyshock from that ​waterheater if it isn't earthed ​properly.
(Definition of earth from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"earth" in American English

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earthnoun [U]

 us   /ɜrθ/

earth noun [U] (PLANET)

the ​planet third in ​order of ​distance from the ​sun, after ​Venus and before ​Mars; the ​world on which we ​live: Earth ​looksincrediblybeautiful from ​space. His ​trainer called him the ​greatestboxer on earth (= in the ​world).

earth noun [U] (SUBSTANCE)

the ​loosesubstance of which a ​largepart of the ​surface of the ​ground is made, and in which ​plants can ​grow; the ​landsurface of the earth ​rather than the ​sky or ​sea: The ​plowed earth ​lookeddark and ​fertile.
Idioms
(Definition of earth from the Cambridge Academic Content Dictionary © Cambridge University Press)
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