pockmark

From pock +‎ mark.

pockmark (plural pockmarks)

1. A mark or scar in the skin caused by a pock.
   • 1883, Charlotte M[ary] Yonge, “Whitehall before the Cobwebs”, in Stray Pearls: Memoirs of Margaret de Ribaumont, Viscountess of Bellaise, volume I, London: Macmillan and Co., →OCLC, page 4:

     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.

• pockmarked