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English definition of “earth”

earth

noun [S or U] (PLANET)    /ɜːθ/ US  /ɝːθ/ (also Earth)
B1 the planet third in order of distance from the sun, between Venus and Mars; the world on which we live: The Earth takes approximately 3651/4 days to go round the sun. The circus has been described as the greatest show on earth (= in the world).Planets
(Definition of earth noun (PLANET) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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