pockmark

/ˈpɒk.mɑːk/

Etymology

From pock + mark.

noun

  1. A mark or scar in the skin caused by a pock.“When we were quite well and tolerably free from pock-marks [from smallpox], my father took us to London with him, […]”
  2. A crater in the seafloor caused by erupting gas or liquid.