Definition of orbit

• the (usually elliptical) path described by one celestial body in its revolution about another; "he plotted the orbit of the moon"
• a particular environment or walk of life; "his social sphere is limited"; "it was a closed area of employment"; "hes out of my orbit"
• 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"