(1):
(n.) An instrument resembling a theodolite, used by surveyors and engineers; - called also transit compass, and surveyor's transit.
(2):
(n.) The act of passing; passage through or over.
(3):
(n.) The act or process of causing to pass; conveyance; as, the transit of goods through a country.
(4):
(n.) A line or route of passage or conveyance; as, the Nicaragua transit.
(5):
(n.) The passage of a heavenly body over the meridian of a place, or through the field of a telescope.
(6):
(n.) The passage of a smaller body across the disk of a larger, as of Venus across the sun's disk, or of a satellite or its shadow across the disk of its primary.
(7):
(v. t.) To pass over the disk of (a heavenly body).