Plan"et*a*ry (?), a. [Cf. L. planetarius an astrologer, F. plan'etaire planetary. See Planet.]
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."
Drayton.
4.
Caused by planets.
"A
planetary plague."
Shak.
5.
Having the nature of a planet; erratic; revolving; wandering.
"Erratical and
planetary life."
Fuller.
Planetary days, the days of the week as shared among the planets known to the ancients, each having its day. Hutton. -- Planetary nebula, a nebula exhibiting a uniform disk, like that of a planet.
© Webster 1913.