What is the meaning of turnout?

noun

• The group that gathers together for a particular occasion.
  • usage: "a large turnout for the meeting"
• A part of a road that has been widened to allow cars to pass or park.
  • synonyms: widening
• A short stretch of railroad track used to store rolling stock or enable trains on the same line to pass.
  • synonyms: siding, railroad siding, sidetrack
• What is produced in a given time period.
  • synonyms: output, outturn
• A set of clothing (with accessories. )
  • usage: "his getup was exceedingly elegant"
  • synonyms: outfit, getup, rig
• Attendance for a particular event or purpose (as to vote in an election. )
  • usage: "the turnout for the rally"
• Ballet) the outward rotation of a dancer's leg from the hip. (.