What is the meaning of transit?

noun

• A surveying instrument for measuring horizontal and vertical angles, consisting of a small telescope mounted on a tripod.
  • synonyms: theodolite
• A facility consisting of the means and equipment necessary for the movement of passengers or goods.
  • synonyms: transportation system, transportation
• A journey usually by ship.
  • usage: "the outward passage took 10 days"
  • synonyms: passage

verb

• Make a passage or journey from one place to another.
  • usage: "The tourists moved through the town and bought up all the souvenirs;" "Some travelers pass through the desert"
  • synonyms: pass through, move through, pass across, pass over
• Pass across (a sign or house of the zodiac) or pass across (the disk of a celestial body or the meridian of a place. )
  • usage: "The comet will transit on September 11"
• Revolve (the telescope of a surveying transit) about its horizontal transverse axis in order to reverse its direction.
• Cause or enable to pass through.
  • usage: "The canal will transit hundreds of ships every day"