Transit

Part of speech: noun (n.)

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. The act or process of causing to pass; conveyance; as, the transit of goods through a country.

3. A line or route of passage or conveyance; as, the Nicaragua transit. E. G. Squier.

4. The passage of a heavenly body over the meridian of a place, or through the field of a telescope.

5. 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.

6. An instrument resembling a theodolite, used by surveyors and engineers; -- called also transit compass, and surveyor's transit.

Part of speech: verb (v.)

To pass over the disk of (a heavenly body).