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
 Webster's English Dictionary