Russian mountain range (4)
(Other definitions for ural that I've seen before include "The .... Mountains divide Europe and Asia" , "Mountain range in Russia" , "Russian river giving name to mountains" , "River of central Russia" , "Russian river, rising in the mountains between Europe and Asia" .)
'russian mountain range' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for urals that I've seen before include "Mountains on the boundary between Europe and Asia" , "Mountains of west-central Russia" , "Russian mountains" , "Russian mountain range" , "mountain area" .)