What is the meaning of around?

adverb

• In the area or vicinity.
  • usage: "a few spectators standing about"; "hanging around"; "waited around for the next flight"
  • synonyms: about
• By a circular or circuitous route.
  • usage: "He came all the way around the base"; "the road goes around the pond"
• Used of movement to or among many different places or in no particular direction.
  • usage: "wandering about with no place to go"; "people were rushing about"; "news gets around (or about)"; "traveled around in Asia"; "he needs advice from someone who's been around"; "she sleeps around"
  • synonyms: about
• In a circle or circular motion.
  • usage: "The wheels are spinning around"
• Of quantities. ( imprecise but fairly close to correct)
  • usage: "lasted approximately an hour"; "in just about a minute"; "he's about 30 years old"; "I've had about all I can stand"; "we meet about once a month"; "some forty people came"; "weighs around a hundred pounds"; "roughly $3, 000"; "holds 3 gallons, more or less"; "20 or so people were at the party"
  • synonyms: approximately, about, close to, just about, some, roughly, more or less, or so
• In or to a reversed position or direction.
  • usage: "about face"; "suddenly she turned around"
  • synonyms: about
• To a particular destination either specified or understood.
  • usage: "she came around to see me"; "I invited them around for supper"
• All around or on all sides.
  • usage: "dirty clothes lying around (or about)"; "let's look about for help"; "There were trees growing all around"; "she looked around her"
  • synonyms: about
• In circumference.
  • usage: "the trunk is ten feet around"; "the pond is two miles around"
• From beginning to end; throughout.
  • usage: "It rains all year round on Skye"; "frigid weather the year around"
  • synonyms: round