As*tron"o*my (&?;), n.
[OE. astronomie, F. astronomie, L. astronomia, fr. Gr. &?;, fr. &?; astronomer; 'asth`r
star + &?; to distribute, regulate. See Star, and Nomad.]
1. Astrology.
[Obs.]
Not from the stars do I my judgment pluck;
And yet methinks I have astronomy.
Shak.
2. The science which treats of the celestial bodies, of their magnitudes, motions,
distances, periods of revolution, eclipses, constitution, physical
condition, and of the causes of
their various
phenomena.
3. A treatise on, or text-book
of, the science.
Physical astronomy.
See under Physical.