'Hyporadii' definitions:

Definition of 'Hyporadii'

From: GCIDE
  • Hyporadius \Hy`po*ra"di*us\, n.; pl. Hyporadii. [Pref. hypo- + radius.] (Zool.) One of the barbs of the hypoptilum, or aftershaft of a feather. See Feather. [1913 Webster]