She intrenches the campsite with sandbags before the storm.

During the siege, the defenders intrenched themselves behind the ruined walls and held out for weeks.

The soldiers took cover behind the intrenchments as the artillery fire intensified.

The old map showed an intrenchment along the river, a reminder of battles long past.

The intrenchant marble of the altar gleamed, its surface unmarked by the ages.

The soldiers were intrenching along the ridge, cutting foxholes and reinforcing their positions.

The captain ordered the men to intrench along the ridge before nightfall.

The intrenchers worked through the night to reinforce the forward positions before dawn.

The veteran used an old intrencher to widen the foxhole before nightfall.