RADIOLI

Source: 567

‖Ra‐di″o‐li (rȧ‐dī″ō̍‐lī), n. pl.; sing. Radiolus (–lŭs). [[NL., dim. of L. radius radius: cf. L. radiolus a feeble sunbeam.]] (Zoöl.) The barbs of the radii of a feather; barbules.