(Josh. 6:9), the troops in the rear of an army on the march, the rear-guard. This word is a corruption of the French arriere-garde. During the wilderness march the tribe of Dan formed the rear-guard (Num. 10:25; comp. 1 Sam. 29:2; Isa. 52:12; 58:8).
·noun The rear guard of an <<Army>>. ...
Webster's Dictionary of the English Language