Definition of transit
1 a (1)
:conveyance of persons or things from one place to another
(2)
:usually local transportation especially of people by public conveyance;
also
:vehicles or a system engaged in such transportation
b
:an act, process, or instance of passing through or over
c
:change, transition
2 a
:passage of a celestial body over the meridian of a place or through the field of a telescope
b
:passage of a smaller body (such as Venus) across the disk of a larger (such as the sun)
3
:a theodolite with the telescope mounted so that it can be transited
