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.
The definition of a stack is a somewhat orderly pile. An example of a stack is nine books sitting on a table, one on top of another. To stack is to arrange in a pile. An example of to stack is to pile up pieces of firewood into a compact space.