pock/pɔk; pɑk/ n(a) any of the swellings on the skin caused by certain diseases, esp smallpox 痘疮; （尤指天花的）疮疹, 脓疮.(b) (also `pock-mark) hollow mark left on the skin by this 麻子（天花的疤痕）.
牛津英汉双解词典