Military. 1  a body of officers without command authority, appointed to assist a commanding officer. 2  the parts of any army concerned with administrative matters, planning, etc., rather than with actual participation in combat.
Piles or hemorrhoids is a painful condition of inflammation and swelling that affects the veins around the anus or rectum. Although the pain can often be unbearable, in most cases the condition itself is not threatening.
Source Civil Temporary Works Services. Sheet piling is a method of driven piling using thin interlocking sheets of steel to obtain a constant barrier in the ground. The main use of sheet piles is in retaining walls and cofferdams erected to enable permanent works to proceed. Piles are drivin using a vibrating hammer to establish sheet piles.