Pock (noun)

1. A small, raised scar or pit on the skin, caused by a disease such as smallpox or acne.
2. A small, shallow depression or hole in a surface.

Origin:

The term "pock" is derived from the middle english word "pokke" meaning a small pouch or bag.

Examples:

1. The disease left him with pocks all over his face.
2. The surface of the moon was covered with pocks and craters.
3. The pocks on his skin were the remnants of smallpox.
4. The old tree had deep pocks in its trunk.
5. The surface of the metal had pocks where the rust had eaten away at it.