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Webster 1913 Edition

Orbit

Or′bit

,
Noun.
[L.
orbita
a track or rut made by a wheel, course, circuit, fr.
orbis
a circle: cf. F.
orbite
. See 2d
Orb
.]
1.
(Astron.)
The path described by a heavenly body in its periodical revolution around another body;
as, the
orbit
of Jupiter, of the earth, of the moon
.
2.
An orb or ball.
[Rare & Improper]
Roll the lucid
orbit
of an eye.
Young.
3.
(Anat.)
The cavity or socket of the skull in which the eye and its appendages are situated.
4.
(Zool.)
The skin which surrounds the eye of a bird.

Webster 1828 Edition

Orbit

ORB'IT

,
Noun.
[L. orbita, a trace or track, from orbis, a wheel.]
1.
In astronomy, the path of a planet or comet; the curve line which a planet describes in its periodical revolution round its central body; as the orbit of Jupiter or Mercury. The orbit of the earth is nearly one hundred and ninety millions of miles in diameter. The orbit of the moon is 480,000 miles in diameter. The orbits of the planets are elliptical.
2.
A small orb. [Not proper.]
3.
In anatomy, the cavity in which the eye is situated.

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