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 stack. 1  1 : a large usually conical pile (as of hay, straw, or grain in the sheaf) left standing in the field for storage. 2  2a : an orderly pile or heapb : a large quantity or number. 3  3 : an English unit of measure especially for firewood that is equal to 108 cubic feet.