a path followed by one celestial body or object in its revolution round another, or by a spacecraft, satellite, etc round a celestial body e.g. that of the earth round the sun
the path of an electron around the nucleus of an atom
one complete revolution by a celestial body or object round another
a sphere of activity or influence
literary the eye
in anatomy, the bony socket of the eye
the skin around a bird's eye
orbital adj
[Latin orbita, from orbis circle, disc, orb]