The outer covering of spines serve as its protection and defense system.

The outer covering can be in a variety of colors with or without printing.

People use the outer covering of the nut (the hull) to make medicine.

During the storm, a large section of the outer covering was peeled off by high winds.

You could see them whole, as living entities bounded by skin or an outer covering.

"That had to be gas rippling in the space between the frame and the outer covering."

A record sleeve is the outer covering of a vinyl recording.

Skin is a soft outer covering of an animal, in particular a vertebrate.

The human skin is the outer covering of the body.

Though lacking a natural outer covering, yet she had not the appearance of crawling out from under a rock.