Poterne, Fr. Likewise signifies a secret gate. Gates of this description are made behind the orillons at the extremities of the curtain, in the angle of the flank, and in the middle of those curtains where there are no gates. The sewers generally run under the poternes. Belidor, in his Art of Engineering, recommends small arched magazines to be constructed on the right and left of the paths that lead to these gates.
POUCH, a case of black stout leather with a flap over it, worn by the infantry for the purpose of carrying their ammunition. The pouches in use among the cavalry are smaller.
Pouch flap, the outside covering of the pouch. It is made of the stoutest blackened leather and ought always to be substantial enough to turn the severest weather.
POUCE, Fr. An inch.
POUDRE, Fr. See [Gunpowder].
Poudre muette, poudre sourde, Fr. A species of gunpowder which is free from noise or detonation.
Poudre fulminante, Fr. A species of gunpowder which makes a greater noise than the common sort.
Poudre à gros grains, Fr. Gunpowder which is used for artillery pieces. It is likewise called Poudre à Canon.
Poudre à musquet, Fr. Gunpowder used for musquets, and other firearms.
POUDRIER, Fr. a gunpowder maker. It also signifies an hour glass.