Definify.com
Webster 1913 Edition
Planetary
1.
Of or pertaining to the planets;
as,
planetary
inhabitants; planetary
motions; planetary
year.2.
Consisting of planets;
as, a
. planetary
system3.
(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 1828 Edition
Planetary
PLAN'ETARY
,Adj.
1.
Consisting of planets; as a planetary system.2.
Under the dominion or influence of a planet; as a planetary hour. [Astrology.]3.
Produced by planets; as planetary plague or influence.4.
Having the nature of a planet; erratic or revolving.Planetary days, the days of the week as shared among the planets, each having its day, as we name the days of the week after the planets.