Webster's Revised Unabridged Dictionary · 1913

Radial

Radial (rā"di*al) , adjective

[Compare French radial. See Radius.]

(Botany) Of or pertaining to a radius or ray; consisting of, or like, radii or rays; radiated; as, (Botany) radial projections; (Zoology) radial vessels or canals; (Anatomy) the radial artery.
Collocations (1)
Radial symmetry (Biology) , See under Symmetry.