Native American fighting axe (8)
I believe the answer is:
tomahawk
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">native american fighting axe</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for tomahawk that I've seen before include "killer on reservation?" , "War hatchet once wielded by native Americans" , "Brave's hatchet" , "Amerindian hatchet" , "Hatchet used by North American Indians" .)