transit
1. tran.sit \'tran(t)s-*t, 'tranz-\ n [L transitus, fr. transitus, pp. of
transire to go across, pa]ss 1a: an act, process, or instance of passing
through or over : PASSAGE)M 1b: CHANGE, TRANSITION 1c1: conveyance of
persons or things from one place to another 1c2: usu. local transportation
esp. of people by public conveyance; also : vehicles or a system engaged
in such transportation 2a: passage of a celestial body over the meridian of
a place or through the field of a telescope 2b: passage of a smaller body
(as Venus) across the disk of a larger (as th e sun) 3: a theodolite with
the telescope mounted so that it can be transited
2. transit vi : to make a transit 1a: to pass over or through 1b: to
cause to pass over or through 2: to pass across 3: to turn (a telescope)
over about the horizontal transverse axis in surv eying