资料来源 : Webster's Revised Unabridged Dictionary (1913)

Radioli \Ra*di"o*li\, n. pl.; sing. {Radiolus}. [NL., dim. of L.
   radius radius: cf. L. radiolus a feeble sunbeam.] (Zo["o]l.)
   The barbs of the radii of a feather; barbules.