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"
issuing in rays from a common center; relating to rays of light; "radial heat"
relating to or moving along or having the direction of a radius; "radial velocity"
relating to or near the radius; "the radial aspect of the forearm"
the central part of a car wheel (or fan or propeller etc) through which the shaft or axle passes
a center of activity or interest or commerce or transportation; a focal point around which events revolve; "the playground is the hub of parental supervision"; "the airport is the economic hub of the area"