D defs.my
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Entry 1 sense Webster, 1913

Portfire

· Port·fire · IPA
01 n. A case of strong paper filled with a composition of niter, sulphur, and mealed powder, -- used principally to ignite the priming in proving…
  1. 1.
    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.