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sun

 
 
/sʌn/ noun

Definition

the sun the large, bright star that shines in the sky during the day and provides light and heat for the Earth: The sun rises in the East and sets in the West.
[U, no plural] the light and heat that comes from the sun: I can't sit in the sun for too long.
(Definition of sun noun from the Cambridge Learner's Dictionary © Cambridge University Press)

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