a part of an army or military force detached from the main body to bring up and guard the rear from surprise attack, esp. in a retreat.
[ 1475-85; reregard, OF rereguarde ]
a part of an army or military force detached from the main body to bring up and guard the rear from surprise attack, esp. in a retreat.
[ 1475-85; reregard, OF rereguarde ]
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012