Obstruction at the entrance to a cave, maybe

Usage examples of boulder.

So the aerolites, or glacial boulders, or polished stone weapons of an extinct race, which looked like aerolites, were the children of Ouranos the heaven, and had souls in them.

But Georgiana saw the light-green moss that clung to the humus, the yellowish fronds of ivy that swept along the ground, the aquamarine moss that dressed up the boulders.

He put his ear to the ground briefly, then arose and crept into the space between two boulders where he could not be seen except from the trail directly below.

They are below the boulder, and Dougal and Eileen can now climb over it and belay Frances again.

Beauties and Curiosities of the district as we passed them, the Ingenuity of the Bowder Stone, the Beauties of the River Derwent, a wood above the river where not so long back they drowned a Witch, but I will not detain you with these, knowing, dearest Pelham, your Unmitigated Impatience with anything that has not to do with a graceful Ankle or a Pack of Cards, and so proceeding over the Wildest Country, all Horrid Boulders and Little Trees growing in grotesque profusion, we approached at length the village of Rosthwaite.

A day or two later, having traced the edges of the mountains in either direction for a great distance, Bozo returned to the mouth of the pass and threw himself down, panting, in the shade of the boulders.

Keoke had taken advantage of his position as most senior dragon present to order the confinement, pointing out that the boulder they used to stop up the entrance to the cavelet was too large for even Father Dragon to move.

I would drive to Centennial as soon as my classes ended, establish contacts with the Denver Public Library, which was some fifty miles away, introduce myself to the faculties at Greeley, Fort Collins and Boulder, and prepare research reports on what had actually happened at Centennial during its history, which had started only in 1844 with the arrival of Zendt and one of the mountain men.

Angus led the old garron to the place called Clachan Knowe where big erratic boulders sprouted from the heather like henge-stones.

Shapers sent avalanches down to bury the columns, or warriors tumbled boulders on them, still when the dust had cleared the horde pressed on, clambering over stone and corpses alike.

Chief Coleopteroid settled back on his boulder, and his thoughts did the same.

In a flash, Coll realized what had happened, realized it even as he leaped back among the boulders of his hill and scrambled to get out of sight.

The floor of the coulee was littered with small boulders and dead brush that had washed down during heavy rains.

I lay limp, past shivering, beside a boulder, while the Gray Watcher covered me with a cowhide we carried with us on all our journeys.

The Gray Watcher had flung the cowhide over the two boulders and created a sheltered spot between them.