\Orgue\, n. [F., fr. L. organum organ, Gr. ?. See
{Organ}.] (Mil.)
(a) Any one of a number of long, thick pieces of timber,
    pointed and shod with iron, and suspended, each by a
    separate rope, over a gateway, to be let down in case of
    attack.
(b) A piece of ordnance, consisting of a number of musket
    barrels arranged so that a match or train may connect
    with all their touchholes, and a discharge be secured
    almost or quite simultaneously.