زف

زِفٌّ ذ Small feathers of the ostrich, (S, K,) and (S, in the K “ or ”) of a bird (S, K) of any kind: (K:) or small feathers, like down, beneath the thickset feathers: (IDrd, O, TA:) accord. to some, only of the ostrich: (O, TA:) [pl., app., زِفَافٌ: see زَفَازِفُ.] One says أَلْيَنُ مِنْ زِفِّ النَّعَامِ [ More soft than the small feathers of the ostrich ]. (TA.)