file-closer
File" clos`er. (Mil.) Defn: A commissioned or noncommissioned officer posted in the rear of a line, or on the flank of a column, of soldiers, to rectify mistakes and insure steadiness and promptness in the ranks.
File" clos`er. (Mil.) Defn: A commissioned or noncommissioned officer posted in the rear of a line, or on the flank of a column, of soldiers, to rectify mistakes and insure steadiness and promptness in the ranks.