The skin which surrounds the eye of a bird.
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.
The cavity or socket of the skull in which the eye and its appendages are situated.
An orb or ball.
Webster's Revised Unabridged Dictionary (1913), edited by Noah Porter. About
\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.
3. (anat.) the cavity or socket of the skull in which the eye and its appendages are situated.
4. (zo?l.) the skin which surrounds the eye of a bird.
1. the (usually elliptical) path described by one celestial body in its revolution about another; "he plotted the orbit of the moon" [syn: celestial orbit]
2. a particular environment or walk of life; "his social sphere is limited"; "it was a closed area of employment"; "he's out of my orbit" [syn: sphere, domain, area, field, arena]
3. an area in which something acts or operates or has power or control: "the range of a supersonic jet"; "the ambit of municipal legislation"; "within the compass of this article"; within the scope of an investigation"; "outside the reach of the law"; "in the political orbit of a world power" [syn: scope, range, reach, compass, ambit]
4. the path of an electron around the nucleus of an atom [syn: electron orbit]
5. the bony cavity in the skull containing the eyeball [syn: eye socket , cranial orbit, orbital cavity]
v : move in an orbit, as of celestial bodies: "the moon orbits around the earth"; "the planets are orbiting the sun" [syn: revolve]
low earth orbit
quadrature of an orbit
inclination of an orbit