Orbit \Or"bit\, n. [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. (Zo["o]l.) The skin which surrounds the eye of a bird.

Source: Webster's Revised Unabridged Dictionary (1913)