1. 
   Naginata
   The naginata (なぎなた, 薙刀) is one of several varieties of traditionally made Japanese swords (nihonto) in the form of a pole weapon. Naginata were originally used by the samurai class of feudal Japan, and naginata were also used by ashigaru (foot soldiers) and sōhei (warrior monks). A nag...
   Found op http://en.wikipedia.org/wiki/Naginata
   
   
2. 
   Naginata
   Japanese Weapon; a Blade mounted on a Long Staff
   Found op http://www.wadoryu.co.uk/horsham_karate_glossary.php
   
   
3. 
   NAGINATA
   Short sword blade on a long shaft. A halberd.
   Found op http://www.samuraisword.com/glossary/index.htm
   
   
4. 
   NAGINATA
   Halberd.
   Found op http://www.shibuiswords.com/glossary.htm
   
   

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