||Ra`deau" (r`d"), n. [F.] A float; a raft.
Three vessels under sail, and one at anchor, above Split Rock, and
behind it the radeau Thunderer.
W. Irving.
Ra"di*al (r"d*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; (Zoöl.) radial vessels or canals; (Anat.)
the radial artery.
Radial symmetry. (Biol.) See under Symmetry.
||Ra`di*a"le (r`d*"l), n.; pl. Radialia (- l*) [NL. See Radial.] 1.
||(Anat.) The bone or cartilage of the carpus which articulates with
||the radius and corresponds to the scaphoid bone in man.