Turkish commander's in range (3)
I believe the answer is:
aga
This clue is a double definition.
'turkish commander's' is the first definition.
(term for an Ottoman military commander)
'range' is the second definition.
(I've seen this before)
'in' is the link.
(Other definitions for aga that I've seen before include "Proprietary name for a domestic stove" , "Swedish stove" , "Oven" , "Cooking range" , "Military official" .)