adjective
Arranged like rays that radiate from, or converge to, a common centre.
(geometry) Of, or relating to a radius (line joining to a geometric centre).
(anatomy) Of, or relating to the radius bone.
(entomology) Of, or relating to the radius (vein), and/or the wing areas next to it.
(botany) Developing uniformly on all sides.
(of a vehicle tyre) Having reinforcing cords placed in parallel across the tyre at 90 degrees to the direction of travel, especially as contrasted with cross-ply; see also radial tyre.
noun
An item in a radial configuration, such as a spoke of a wheel.
A radial tire / radial tyre.