radial -- (relating to or near the radius; "the radial aspect of the forearm")
radial -- (relating to or moving along or having the direction of a radius; "radial velocity")
radial -- (issuing in rays from a common center; relating to rays of light; "radial heat")
radial, stellate, radiate -- (arranged like rays or radii; radiating from a common center; "radial symmetry"; "a starlike or stellate arrangement of petals"; "many cities show a radial pattern of main highways")