Definition of portfire

  1. :  a fuze or match for firing guns or fireworks: such as a :  a paper case filled with a composition of niter, sulfur, and mealed powder b :  a slow-burning fuze (as a billet of wood impregnated with potassium nitrate) or an incendiary cord or tube for igniting fuzes of blasting charges

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Origin and Etymology of portfire

partial translation of French porte-feu from porter to carry + feu fire — more at port

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capable of being understood in two ways

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