in the military art, are thick long pieces of wood, pointed at one end, and shod with iron, which being kept clear one of another, hang each by a particular rope or cord, perpendicularly, over the gateway of a strong place, to be let fall in case of the approach of an enemy.
ORGUES is also used for a machine composed of several harquebus or musket barrels bound together, by means of which several explosions are made at the same time. It is used to defend breaches and other places attacked.