file closer
Noun
Meaning
file closer (plural file closers)
(military) An officer posted at the rear of a line, or on the flank of a column, of soldiers, to rectify mistakes and ensure steadiness and promptness in the ranks.
Noun
file closer (plural file closers)
(military) An officer posted at the rear of a line, or on the flank of a column, of soldiers, to rectify mistakes and ensure steadiness and promptness in the ranks.