ORGUES

, or Organs, in Fortification, long and thick pieces of wood, shod with pointed iron, and h<*>ng each by a separate rope over the gate way of a town, ready on any surprise or attempt of the enemy to be let down to stop up the gate. The ends of the several ropes are wound about a windlass, so as to be let down all together.

Orgues is also used for a machine composed of several harquebusses or musket-barrels, bound together; so as to make several explosions at the same time. They are used to defend breaches and other places attacked.