adjective
Of or relating to, or forming an orbit (such as the orbit of a moon, planet, or spacecraft).
(anatomy) Of or relating to the eye socket (eyehole).
(chiefly UK) (of roads, railways) Passing around the outside of an urban area.
noun
(physics) A specification of the energy and probability density of one or more electrons at any point in an atom or molecule, representable as a wave function.
(chiefly UK) Ellipsis of orbital motorway.
Ellipsis of orbital sander.