Possible Definitions:
1. Planetary (a.) Of or pertaining to the planets; as, planetary inhabitants; planetary motions; planetary year.
2. Planetary (a.) Consisting of planets; as, a planetary system.
3. Planetary (a.) Under the dominion or influence of a planet.
4. Planetary (a.) Caused by planets.
5. Planetary (a.) Having the nature of a planet; erratic; revolving; wandering.