rear guard
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rear guard
n.
A detachment of troops that protects the rear of a military force.
[Middle English reregarde, from Old French : rere, backward (from Latin retrō; see re- in Indo-European roots) + guarde, guard (from guarder, to defend; see guard).]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
rear′ guard′
n.
a part of a military force assigned to guard the rear from attack, esp. in a retreat.
rear′guard`, adj.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
rear guard
1. The rearmost elements of an advancing or a withdrawing force. It has the following functions: to protect the rear of a column from hostile forces; during the withdrawal, to delay the enemy; during the advance, to keep supply routes open.
2. Security detachment that a moving ground force details to the rear to keep it informed and covered. See also guard.
2. Security detachment that a moving ground force details to the rear to keep it informed and covered. See also guard.
Dictionary of Military and Associated Terms. US Department of Defense 2005.
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