■ adjective
1》 of or arranged like rays or the radii of a circle; diverging in lines from a common centre.
↘(of a road) running from a town centre to an outlying district.
2》 (also ~-ply ) denoting a tyre in which the layers of fabric have their cords running at right angles to the circumference of the tyre.
3》 denoting an internal-combustion engine with its cylinders fixed like the spokes of a wheel around a rotating crankshaft.
4》 Anatomy & Zoology relating to the radius.
■ noun
1》 a ~ tyre.
2》 Zoology a supporting ray in a fish's fin.
Derivatives
~ly adverb
Origin
C16: from med. L. ~is , from L. radius (see radius ).