D defs.my
Entry 6 senses · 2 variants Webster, 1913

Transit

/trăn'-zĭt/ · Trans·it · IPA /ˈtɹæn.zɪt/
01 n. The act of passing; passage through or over.
  1. 1.
    The act of passing; passage through or over.
    “In France you are now . . . in the transit from one form of government to another.” Burke.
  2. 2.
    The act or process of causing to pass; conveyance; as, the transit of goods through a country.
  3. 3.
    A line or route of passage or conveyance; as, the Nicaragua transit.
  4. 4.
    The passage of a heavenly body over the meridian of a place, or through the field of a telescope.(Astron.)
  5. 5.
    An instrument resembling a theodolite, used by surveyors and engineers; -- called also transit compass, and surveyor's transit. Also: transit compass, surveyor's transit
Phrases & compounds
Lower transit — the passage of a heavenly body across that part of the meridian which is below the polar axis.
Surveyor's transit — See Transit, 5, above.
Transit circle — a transit instrument with a graduated circle attached, used for observing the time of transit and the declination at one observation. See Circle, n., 3.
Transit compass — See Transit, 5, above.
Transit duty — a duty paid on goods that pass through a country.
Transit instrument — A telescope mounted at right angles to a horizontal axis, on which it revolves with its line of collimation in the plane of the meridian, -- used in connection with a clock for observing the time of transit of a heavenly body over the meridian of a place.
Transit trade — the business conected with the passage of goods through a country to their destination.
Upper transit — the passage of a heavenly body across that part of the meridian which is above the polar axis.
02 v. t. To pass over the disk of (a heavenly body).
  1. 1.
    To pass over the disk of (a heavenly body).(Astron.)