Definition of radiale in US English:

radiale

noun

Zoology
  • 1A radial plate in an echinoderm; = "radial". Usually in plural Now rare.

  • 2The carpal bone which lies on the radial side at the base of the carpus in the tetrapod forelimb (in humans and other mammals called the scaphoid).

  • 3Any of the rays in a fish's fin; = "radial". Usually in plural.

Origin

Mid 19th century; earliest use found in American Naturalist. From post-classical Latin radiale, neuter singular of radialis.

Pronunciation

radiale

/ˌreɪdɪˈeɪli/