The Shikari Nagasa is a dagger in Final Fantasy XII. Added to the Zodiac versions, it replaces and uses the model for the original ultimate dagger, Danjuro.
The Shikari Nagasa's upgraded version is the Mina. The license for these two weapons can be learned by Shikari for 220 LP.
Shigari Naga is a weapon.
Shikari is an Hindi word meaning hunter. The shikaris are native hunters who also serve as guides.