Radioli
Pronunciation : Ra*di"o*li
Part of Speech : n.
Etymology : [NL., dim. of L. radius radius: cf. L. radiolus a feeble sunbeam.] (Zo?l.)
Definition : Defn: The barbs of the radii of a feather; barbules.
pl.; sing. Radiolus (.
Source : Webster's Unabridged Dictionary, 1913