entrenchment

Further, we can see plainly from our oldest laws that the palisade or entrenchment around a great mans house is a burh.

On the land side this has six lines of entrenchment and about and upon it, as at Trevose, lie a quantity of flint chips.

He posted his troops beside the brook Bedr, and had them hastily throw up an entrenchment to cover the flank of his troops.

A line of entrenchment, with mud batteries, had also been carried round the rear.