orbit (
http://definr.com/orbit)
n 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]