Ra"di*al (?), a. [Cf. F. radial. See Radius.]
Of or pertaining to a radius or ray; consisting of, or like, radii or rays; radiated; as, Bot. radial projections; Zool. radial vessels or canals; Anat. the radial artery.
Radial symmetry. Biol. See under Symmetry.
© Webster 1913.