sangar

Then we went on building at the sangar, but without much spirit.

They had reached a point above the enemy's left forward sangar, and were firing into it with great effect.

Sangar, sang′gar, n. a stone breastwork: a low wall of loose stones, used as cover for soldiers.

As the handful of men crept up the rocky slope a sangar came into view, which was suggestive.

They made straight for the sangar and formed in a circle round it, firing outwards without visible target.