Portfire

1. n. A case of strong paper filled with a composition of niter, sulphur, and mealed powder, — used principally to ignite the priming in proving guns, and as an incendiary material in shells.

The word meanings were obtained from OPTED(The Online Plain Text English Dictionary), which is based on “The Project Gutenberg Etext of Webster’s Unabridged Dictionary” which is in turn based on the 1913 US Webster’s Unabridged Dictionary (See Project Gutenburg), as a text file.