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 table
(Plane" ta`ble) See under Plane, a.

(Plan`e*ta"ri*um) n. [NL.: cf. F. planétaire. See Planetary.] An orrery. See Orrery.

(Plan"et*a*ry) a. [Cf. L. planetarius an astrologer, F. planétaire 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.

(Plan"et*ed), a. Belonging to planets. [R.] Young.

(Pla*net"ic Pla*net"ic*al) a. [L. planeticus, Gr. .] Of or pertaining to planets. Sir T. Browne.

(Plan"et*oid) n. [Planet + -oid.] (Astron.) A body resembling a planet; an asteroid.

(Plan"et*oid*al) a. Pertaining to a planetoid.

Plane tree
(Plane" tree`) (Bot.) Same as 1st Plane.

(Plan"et-strick`en Plan"et-struck`) a. Affected by the influence of planets; blasted. Milton.

Like planet-stricken men of yore
He trembles, smitten to the core
By strong compunction and remorse.

(Plan"et*ule) n. A little planet. [R.] Conybeare.

(Plan"gen*cy) n. The quality or state of being plangent; a beating sound. [R.]

(Plan"gent) a. [L. plangens, -entis, fr. plangere to beat. See Plaint.] Beating; dashing, as a wave. [R.] "The plangent wave." H. Taylor.

(Plan"i- Plan"o-) . [L. planus. See Plane, a.] Combining forms signifying flat, level, plane; as planifolious, planimetry, plano- concave.

(Plan`i*fo"li*ous) a. [Plani- + L. folium leaf.] (Bot.) Flat-leaved.

the asteroids, Jupiter, Saturn, Uranus, and Neptune, which are farther from the sun than is the earth. Primary planets are those which revolve about the sun; secondary planets, or moons, are those which revolve around the primary planets as satellites, and at the same time revolve with them about the sun.

2. A star, as influencing the fate of a men.

There's some ill planet reigns.

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