Scabs

An incrustation over a sore, wound, vesicle, or pustule, formed during healing.

The scabies.

The mange, especially when it appears on sheep.

Any of several different diseases of potatoes producing pits and other damage on their surface, caused by streptomyces bacteria (but formerly believed to be caused by a fungus).

To become covered by a scab or scabs.

To form into scabs and be shed, as damaged or diseased skin.

To remove part of a surface (from).

To act as a strikebreaker.