Adjective
1. relating to or near the radius;
"the radial aspect of the forearm"2. relating to or moving along or having the direction of a radius;
"radial velocity"3. issuing in rays from a common centerXs; relating to rays of light;
"radial heat"4. 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"