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.
Definition of pile. 1  1 : a long slender column usually of timber, steel, or reinforced concrete driven into the ground to carry a vertical load. 2  2 : a wedge-shaped heraldic charge usually placed vertically with the broad end up. 3  3a : a target-shooting arrowhead without cutting edgesb [Latin pilum] : an ancient Roman foot soldier's heavy javelin.