Meaning of transit
Definition of transit
(noun)
a surveying instrument for measuring horizontal and vertical angles, consisting of a small telescope mounted on a tripod
(verb)
make a passage or journey from one place to another; "The tourists moved through the town and bought up all the souvenirs"; "Some travelers pass through the desert"
pass across (a sign or house of the zodiac) or pass across (the disk of a celestial body or the meridian of a place); "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