Definition of sun noun from the Oxford Advanced American Dictionary

      

    sun

     noun
    noun
    NAmE//sʌn//
     
     
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  1. 1the sun, the Sun [singular] the star that shines in the sky during the day and gives the earth heat and light the sun's rays the rising/setting sun The sun was shining and birds were singing. The sun was just setting. A pale wintry sun shone through the clouds. Topic CollocationsThe Weathergood weather be bathed in/bask in/be blessed with/enjoy bright/brilliant/glorious sunshine the sun shines/warms something/beats down (on something) the sunshine breaks/streams through something fluffy/wispy clouds drift across the sky a gentle/light/stiff/cool/warm breeze blows in/comes in off the sea the snow crunches beneath/under somebody's feet/bootsbad weather thick/dark/storm clouds form/gather/roll in/cover the sky/block out the sun the sky darkens/turns black a fine mist hangs in the air a dense/heavy/thick fog rolls in the rain falls/comes down (in buckets/sheets)/pours down snow falls/comes down/covers something/blankets something the wind blows/whistles/howls/picks up/whips through something/sweeps across something strong/gale-force winds blow/gust (up to 80 mph) a storm is approaching/is moving inland/hits/strikes/rages thunder rolls/rumbles/sounds (forked/sheet) lightning strikes/hits/flashes a (blinding/snow) blizzard hits/strikes/blows/rages a tornado touches down/hits/strikes/destroys something/rips through something forecast/expect/predict rain/snow/a category-four hurricane rain pours (down) get caught in/seek shelter from/escape the rain be covered/shrouded in mist/a blanket of fog be in for/brave/shelter from a/the storm hear rolling/distant thunder be battered/buffeted by strong winds battle against/brave the elementsthe weather improves the sun breaks through the clouds the sky clears/brightens (up)/lightens (up) the clouds part/clear the rain stops/lets up/holds off the wind dies down the storm passes the mist/fog lifts/clears
  2. 2 the sun [singular, uncountable] the light and heat from the sun synonym sunshine the warmth of the afternoon sun This room gets the sun in the mornings. We sat in the sun. The sun was blazing hot. Too much sun ages the skin. We did our best to keep out of the sun. They always take a winter vacation in the sun (= in a place where it is warm and the sun shines a lot). I see you got some sun (= became red or brown) while you were away. I didn't see the car coming around the corner because Ihad the sun in my eyes (= the sun was shining in my eyes). see also sunny
  3. 3[countable] (technology) any star around which planets move
  4. Idioms
    make hay while the sun shines(saying)
     
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    to make good use of opportunities, good conditions, etc. while they last
    a place in the sun
     
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    a position in which you are comfortable or have an advantage over other people
    under the sun
     
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    used to emphasize that you are talking about a very large number of things We talked about everything under the sun. I've been called everything under the sun!
    with the sun
     
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    when the sun rises or sets I get up with the sun.
See the Oxford Advanced Learner's Dictionary entry: sun