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
