Entry 1 sense Webster, 1913

Hyporadius

· Hy·po·ra·di·us · IPA

01 n. One of the barbs of the hypoptilum, or aftershaft of a feather. See Feather.

pl. Hyporadii ((#))

1.
One of the barbs of the hypoptilum, or aftershaft of a feather. See Feather.(Zool.) See: Feather