There's some ill planet reigns.
Shak.
Planet gear. (Mach.) See Epicyclic train, under Epicyclic. -- Planet
wheel, a gear wheel which revolves around the wheel with which it
meshes, in an epicyclic train.
Plane" ta`ble (?). See under Plane, a.
Plan`e*ta"ri*um (?), n. [NL.: cf. F. planÈtaire. See Planetary.] An
orrery. See Orrery.
Plan"et*a*ry (?), a. [Cf. L. planetarius an astrologer, F. planÈtaire
planetary. See Planet.] 1. Of or pertaining to the planets; as,
planetary inhabitants; planetary motions; planetary year.