Clash (6)
'clash' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for battle that I've seen before include "Warfare" , "Military engagement" , "Lengthy struggle" , "Midway" , "Skirmish" .)
'clash' is the definition.
(thesaurus)
This is the entire clue.
(Other definitions for war that I've seen before include "Battle" , "Armed hostility" , "series of engagements" , "Period of hostilities" , "State of armed conflict" .)