Real Dictionary

orbit
An orbit is the curved path in space that is followed by an object going round and round a planet, moon, or star.

orbit in American English
the bony cavity containing the eye; eye socket
to move in an orbit or circle
to put (a satellite or spacecraft) into an orbit in space
intransitive verb: to go or travel in an orbit
noun: the curved path, usually elliptical, described by a planet, satellite, spaceship, etc., around a celestial body, as the sun
transitive verb: to move or travel around in an orbital or elliptical path

orbit in British English
noun: the curved path, usually elliptical, followed by a planet, satellite, comet, etc, in its motion around another celestial body under the influence of gravitation
verb: to move around (a body) in a curved path, usually circular or elliptical