radiale
Ra`di*a"le, n.; pl. Radialia. Etym: [NL. See Radial.] 1. (Anat.) Defn: The bone or cartilage of the carpus which articulates with the radius and corresponds to the scaphoid bone in man. 2. pl. (Zoöl.) Defn: Radial plates in the calyx of a crinoid.