Veil (4)
'veil' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for mask that I've seen before include "Face-covering" , "Camouflage" , "cloak" , "One hiding, protecting face" , "Cover for the face" .)
'veil' is the definition.
(yashmak is a kind of veil)
This is the entire clue.
(Other definitions for yashmak that I've seen before include "Muslim women's veil" , "Face covering" , "modest assumption" , "Face-veil for Muslim women like shaky ma" , "Facial veil" .)