The Collaborative International Dictionary of English v.0.48:

Gingal \Gin*gal"\, n.
   See Jingal.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Jingal \Jin*gal"\, n. [Hind. jang[=a]l a swivel, a large
   musket.]
   A small portable piece of ordnance, mounted on a swivel.
   [Written also gingal and jingall.] [India]
   [1913 Webster]