Significados de thick casing en inglés

It is enclosed, as it were, in a thick casing of rock.

She replies, with a point that seems never really to have pierced his thick casing of masculine egotism:

There were about forty of them-blunt-barrelledguns with thick casing around the powerpacks, weighing about ten pounds each.

It had a thick casing to protect it through the storms of winter and long months or years of drought.

They ran through the wall of schist and sandstone, some shored up with great, roughly-hewn beams, others lined with a thick casing of wood.