Rear, a. Being behind, or in the hindmost part; hindmost; as, the rear rank of a company.
Rear admiral, an officer in the navy, next in rank below a vice admiral and above a commodore. See Admiral. — Rear front(Mil.), the rear rank of a body of troops when faced about and standing in that position. — Rear guard(Mil.), the division of an army that marches in the rear of the main body to protect it; — used also figuratively. — Rear line(Mil.), the line in the rear of an army. — Rear rank(Mil.), the rank or line of a body of troops which is in the rear, or last in order. — Rear sight(Firearms), the sight nearest the breech. — To bring up the rear, to come last or behind.