radiale
noun
ra·di·ale
ˌrādēˈa(ˌ)lē,
-ˈā(-,
-ˈä(-
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
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Merriam-Webster unabridged
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