[n] a member of the armed forces who does not participate in combat (e.g. a chaplain or surgeon)
[adj] member of armed forces whose duties do not include fighting as e.g. a chaplain or surgeon
[adj] used of civilians in time of war
\Non*com"bat*ant\, n. (Mil.) Any person connected with an army, or within the lines of an army, who does not make it his business to fight, as any one of the medical officers and their assistants, chaplains, and others; also, any of the citizens of a place occupied by an army; also, any one holding a similar position with respect to the navy.