Far from fighting the microbes, the plant forms nodules that give them protective shelter.

An expert on civil defense explained to them that 92 million Americans were vulnerable and that protective shelter was available for only 40 million.

Goshalas are an Indian form of protective shelters for cows.

Menion did not have the protective shelter of the mountains in which to conceal himself from the Northlanders.

The huge cliffs with their protective shelters were a significant reason the region was among the most heavily populated in all that cold ancient world.

He reaches for a piece of flotsam, a large closed box that he hopes to use as a protective shelter.

Even the protective shelter of the tree was destroyed within two decades after its construction.

He knew the secret of entering the burial vault without damaging the protective concrete shelter.

That need for protective shelter is balanced by an unexpected sense of vulnerability as you proceed through the house.

There, Perrot and his men built a protective shelter in preparation for winter.