or*bit (or'bit) n. 1.The path of a celestial body or man- made satellite as it revolves around another body. 2.The path of any body in a field of force surrounding another body, as the movement of an atomic electron in relation to a neucleus. 3.A range of activity, experience, of influence. 4.Either of two boney cavaties in the skull containing an eye and its external structures; eye socket.

-- Davies, Peter ed.
The American Heritage
Dictionary of the English Language.
New York: Dell, 1980.