1. the (usually elliptical) path described by one celestial body in its revolution about another; - Example: "he plotted the orbit of the moon" [syn: orbit, celestial orbit]
WordNet (r) 3.0 (2006):
celestial 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: orbit, celestial orbit]