Sun (noun) Definition, Meaning & Examples

noun
  1. the star that is the central body of the earth's solar system, around which the planets revolve and from which they receive light and heat: its mean distance from the earth is about 93 million miles (150 million km), its diameter about 864,000 miles (1.4 million km), and its mass about 330,000 times that of the earth; its period of surface rotation is about 25 days at its equator but longer at higher latitudes.
  2. the sun considered with reference to its position in the sky, its visibility, the season of the year, the time at which or the place where it is seen, etc.
  3. a star, especially one that has planets and other celestial bodies revolving around it: Many other solar systems have multiple suns, while ours has just one.
  4. sunshine; the heat and light from the sun: to be exposed to the sun.
  5. a figure or representation of the sun, as a heraldic bearing usually surrounded with rays and marked with the features of a human face.
  6. something likened to the sun in brightness, splendor, etc.
  7. Chiefly Literary.
    • clime; climate.
    • glory; splendor.
  8. sunrise or sunset: They traveled hard from sun to sun.
  9. Archaic.
    • a day.
    • a year.
verb (used with object), sunned, sun·ning.
  1. to expose to the sun's rays.
  2. to warm, dry, etc., in the sunshine.
  3. to put, bring, make, etc., by exposure to the sun.
verb (used without object), sunned, sun·ning.
  1. to be exposed to the rays of the sun: to sun in the yard.
Idioms
  1. counterclockwise.
  2. a favorable or advantageous position; prominence; recognition: The new generation of writers has achieved a place in the sun.
  3. on earth; anywhere: the most beautiful city under the sun.
  4. clockwise.
abbreviation
  1. Sunday.
noun
  1. the star at the centre of our solar system. It is a gaseous body having a highly compressed core, in which energy is generated by thermonuclear reactions (at about 15 million kelvins), surrounded by less dense radiative and convective zones serving to transport the energy to the surface (the photosphere). The atmospheric layers (the chromosphere and corona) are normally invisible except during a total eclipse. Mass and diameter: 333 000 and 109 times that of earth respectively; mean distance from earth: 149.6 million km (1 astronomical unit)
  2. any star around which a planetary system revolves
  3. the sun as it appears at a particular time or place
  4. the radiant energy, esp heat and light, received from the sun; sunshine
  5. a person or thing considered as a source of radiant warmth, glory, etc
  6. a pictorial representation of the sun, often depicted with a human face
  7. a year or a day
  8. a climate
  9. sunrise or sunset (esp in the phrase from sun to sun)
  10. to become slightly sunburnt
  11. a prominent or favourable position
  12. to measure the altitude of the sun in order to determine latitude
  13. slight sunstroke
  14. on earth; at all
verb suns, sunning or sunned
  1. to expose (oneself) to the sunshine
  2. to expose to the sunshine in order to warm, tan, etc
abbreviation for
  1. Sunday
    Sun (noun) Definition, Meaning & Examples

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