Definition of radiale
plural radialia
\-lēə\
1 a
: a bone or cartilage of the carpus that articulates with the radius;
specifically
: the navicular in man
b
: a bone in the carpus of a bird made up of the radiale fused with either the intermedium or the centrale
2
: a radial plate of a crinoid
3
: a bone or cartilage distal to the basale and directly supporting a ray in a fish's fin;
also
: actinost
