Sierra ___ (5)
'sierra' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for range that I've seen before include "Mountain stretch" , "1 across [CLASSIFY]" , "Grassland - variety" , "Oven" , "practise shooting here" .)
(Other definitions for leone that I've seen before include "Sergio ___ , Italian film director d. 1989" , "ready for Africa" , "Sierra -, W. Afr. state" , "African rhino" , "Sierra ___ (West African country) - Sergio ___ (film director)" .)