Rā'di-al, a.

a. [Fr. radial, It. radiale, from Lat. radius, a staff, a rod, a spoke of a wheel, a beam or ray. See RADIUS.]

1. Pertaining to a radius; shooting out as from a center; as, radial lines.
2. Pertaining to the radius, one of the bones of the fore-arm of the human body; as, the radial artery or nerve.