orbit
 or·bit (ôrʹbĭt)n.
1.
a. The path of a celestial body or an artificial satellite as it revolves around another body.
b. One complete revolution of such a body.
2. The path of a body in a field of force surrounding another body; for example, the movement of an atomic electron in relation to a nucleus.
3.
a. A range of activity, experience, or knowledge.
b. A range of control or influence: “What magnetism drew these quaking ruined creatures into his orbit?” (Malcolm Lowry). See Synonyms at range.
4. Either of two bony cavities in the skull containing an eye and its external structures; an eye socket.v. or·bit·ed, or·bit·ing, or·bitsv. tr.
1. To put into an orbit:
orbit a satellite.
2. To revolve around (a center of attraction):
The moon orbits Earth.v. intr.
To move in an orbit. [Middle English orbite, eye socket, from Old French, from Latin orbita, orbit, probably from orbis.]
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