1. 
   Portfire
   Port'fire` noun 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.
   Found op http://www.encyclo.co.uk/webster/P/131
   
   
2. 
   portfire
   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. ... Source: Websters Dictionary ... (01 Mar 1998) ...
   Found op http://www.mondofacto.com/facts/dictionary?portfire
   
   
3. 
   Portfire
   • (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.
   Found op http://thinkexist.com/dictionary/meaning/portfire/
   
   

Tip: double click on a word to show its meaning.