Radiale

noun

1. In zoology and anatomy:
2. The radiocarpal bone; that bone of the wrist which is situated on the radial side of the proximal row of carpals. in special relation with the radius. In man this bone is the scaphoid. Compare ulnare, and see cuts under hand and carpus.
3. One of the rays of the cup of a crinoid. See radial, n. , and cut under Crinoidea.
4. A cartilage radiating from the base of the fins of elasmobranchiate fishes. See cut under ptorygium
5. Same as radial, n. . See hypercoracoid.