What is "stockades"

Usage examples of "stockades".

These were constructed double, by building smaller stockades around them on the outside, with another set of gates.

We were ordered out of the cars, and marching a few rods, came in sight of another of those hateful Stockades, which seemed to be as natural products of the Sterile sand of that dreary land as its desolate woods and its breed of boy murderers and gray-headed assassins.

It seemed almost happiness to be outside of those cursed Stockades, to rest our eyes by looking away through the woods, and seeing birds and animals that were free.

When spring opened, the Indians turned with redoubled fury against the defenceless frontier, seized the abandoned stockades, and butchered the helpless settlers.