Protective covering (6)
(Other definitions for sheath that I've seen before include "Protective covering for a knife" , "Cover for a sword" , "Sword covering" , "case for weapon" , "Cover protecting" .)
'protective covering' is the definition.
(armour is a kind of protective covering)
This is the entire clue.
(Other definitions for armour that I've seen before include "Knight's attire" , "Protective covering for battle" , "Protective covering for knight of old" , "Metal or other protective plating for body" , "Old warrior's suit" .)
'protective covering' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for armature that I've seen before include "Rotating coils of an electric motor" , "keeper" , "equipment for defence" , "Rotating coil of an electric motor" , "Part of dynamo" .)