1.Of or pertaining to the planets; as, planetary inhabitants; planetary motions; planetary year.
2.Consisting of planets; as, a planetary system.
3.(Astrol.) Under the dominion or influence of a planet. "Skilled in the planetary hours."
4.Caused by planets. "A planetary plague."
5.Having the nature of a planet; erratic; revolving; wandering. "Erratical and planetary life."