Russian dress material? (5)
I believe the answer is:
serge
This could be a double definition.
'russian dress' is the first definition.
The answer and definition can be both man-made objects as well as being singular nouns.
Perhaps you can see a link between them that I can't see?
'material?' is the second definition.
(serge is a kind of material)
Can you help me to learn more?
(Other definitions for serge that I've seen before include "Twilled fabric; name" , "Material to suit" , "Durable fabric" , "Stuff" , "A twill fabric" .)