a military detachment to protect the rear of a main force or body
Origin of rear guardMiddle English rier garde from Anglo-French reregard from Old French from riere, backward ( from Classical Latin retro: see retro-) + gard, guard
A detachment of troops that protects the rear of a military force.
Origin of rear guardMiddle English reregarde from Old French rere backward ( from Latin retrō ; see re- in Indo-European roots.) guarde guard ( from guarder to defend ; see guard . )
- Of or relating to a rear guard.
- Of or relating to economic, political, or social resistance: mounting a rear-guard effort to prevent tax increases.