The ravine was simply a chasm, with perpendicular sides of naked rock.

Here and there, in its perpendicular sides, steps have been cut for descent.

Suppose a little pool with perpendicular sides, say twenty feet across.

It was several feet in depth, dry at the bottom, and with perpendicular sides.

Then put the mixture into a well-buttered tin pan with straight or perpendicular sides.

The gully here chanced to have smooth, almost perpendicular sides.

It was perfectly flat, with steep, perpendicular sides, which made it inaccessible to man.

It was three feet in depth, with perpendicular sides.

Some of these hills were from twenty to sixty feet in height, with almost perpendicular sides.

Elytra very convex, with almost perpendicular sides.

Dark-eyed women lounged in the doorways of the houses that cling to the perpendicular sides of the hill.

Once a number of Indian warriors, pursued by white men, climbed up the almost perpendicular sides of the pillar.

Could I find a means of climbing up the perpendicular sides of my prison, if only a few feet?

At the moment I was standing on the edge of a narrow eroded ravine, ten feet deep, with perpendicular sides.

Whenever he approached Snake River, he found it running through a broad chasm, with steep, perpendicular sides of basaltic rock.

There is land sufficient for considerable cultivation on the top, with almost perpendicular sides more than a thousand feet in height.