Sun

Other forms: Suns

Definitions of Sun
  1. noun
    the star that is the source of light and heat for the planets in the solar system
    “the Earth revolves around the Sun”
    synonyms: sun
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    example of:
    star
    (astronomy) a celestial body of hot gases that radiates energy derived from thermonuclear reactions in the interior
  2. noun
    first day of the week; observed as a day of rest and worship by most Christians
    synonyms: Dominicus, Lord's Day, Sunday
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    type of:
    day of rest, rest day
    a day set aside for rest
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