Aguerri (Fr.). A term applied to an officer or soldier experienced in war.

Agustina. See [Saragossa, Maid of].

Ahmednuggur. A strong fortress in the Deccan, 30 miles from Poonah, which was formerly in the possession of Scindia, but fell to the British arms during the campaign conducted by Gen. Wellesley.

Aidan (Prince). See [Scotland].

Aid-de-camp. An officer selected by a general to carry orders; also to represent him in correspondence and in directing movements.

Aid-major (Fr.). The adjutant of a regiment.

Aigremore. A term used by the artificer in the laboratory, to express the charcoal in a state fitted for the making of powder.

Aiguille (Fr.). An instrument used by engineers to pierce a rock for the lodgment of powder, as in a mine, or to mine a rock, so as to excavate and make roads.

Aiguillettes. A decoration, consisting of bullion cords and loops, which was formerly worn on the right shoulder of general officers, and is now confined to the officers of household cavalry; also worn in the U. S. army by officers of the adjutant-general’s department, aids-de-camp, and adjutants of regiments.

Aiguillon. A city in France; while in the possession of the English in 1345, it was besieged by the Duke of Normandy, son of Philip de Valois. According to some authors, cannons were used on this occasion for the first time in France.