rearguard

Definition

The rearmost part of a force, especially a detachment of troops that protect the rear of a retreating force.

Etymology

From rear + guard. Attested in The Song of Roland c. 1150 (rereguarde). Doublet of retrogarde.

Example Sentences

• "Mancini's side only showed enough ambition when it was too late and by then battle lines were drawn as James Collins and former City captain Richard Dunne fought a magnificent rearguard action at the heart of Villa's defence."