the time it takes to complete one full orbit around a celestial body
an amount of time
the interval taken to complete one cycle of a regularly repeating phenomenon
(ice hockey) one of three divisions into which play is divided in hockey games
the (usually elliptical) path described by one celestial body in its revolution about another
move in an orbit
an area in which something acts or operates or has power or control: "the range of a supersonic jet"
a particular environment or walk of life
the bony cavity in the skull containing the eyeball
